请问如何在的当前光标处插入数据？</h1></div> <div class="user-card" data-v-0c168368><div class="user-title flex align-center" data-v-21e3c89c data-v-0c168368><a href="https://blog.csdn.net/mp3aaa" target="_blank" class="flex align-center" data-v-21e3c89c><img src="https://profile-avatar.csdnimg.cn/384f581f424240cf818eec82e191c1da_mp3aaa.jpg!1" alt class="head" data-v-21e3c89c> <span class="name" data-v-21e3c89c>mp3aaa</span></a> <span class="cop flex1" data-v-21e3c89c><!----> <!----> <!----> <span class="cop-p time" data-v-21e3c89c>2009-11-19 06:06:25</span> <!----></span> <div class="foot-btn-more" data-v-21e3c89c><!----> <!----></div></div></div> <!----> <!----> <!----> <div id="blogDetail2" class="markdown_views htmledit_views" data-v-0c168368>一个按钮 <br /> 当我单击它的时候 在<textarea id="t1">的当前光标处 插入一行数据 "aaa"<br /> <br /> 比如说 像csdn这个论坛发帖的时候 文章内容的部分 我点击粗体字的时候 他会在光标处插入【b】【/b】<br /> <br /> <br /> <br /> 请问如何用JS才实现 在光标处插入数据</div></div></div></div> <div class="test" data-v-0c168368> ...全文 </div> <!----></div> <!----> <!----> <!----> <!----> <!----> <div class="vote-outer" style="margin-bottom: 16px;" data-v-56585d28><div class="vote-content" data-v-6331320d data-v-56585d28></div></div> <div class="rates-outer flex align-items-center" data-v-756eb1fa data-v-56585d28><!----> <div role="slider" aria-valuenow="0" aria-valuemin="0" aria-valuemax="5" tabindex="0" class="el-rate" data-v-756eb1fa><span class="el-rate__item" style="cursor:pointer;"><i class="el-rate__icon el-icon-star-off" style="color:#999AAA;"><!----></i></span><span class="el-rate__item" style="cursor:pointer;"><i class="el-rate__icon el-icon-star-off" style="color:#999AAA;"><!----></i></span><span class="el-rate__item" style="cursor:pointer;"><i class="el-rate__icon el-icon-star-off" style="color:#999AAA;"><!----></i></span><span class="el-rate__item" style="cursor:pointer;"><i class="el-rate__icon el-icon-star-off" style="color:#999AAA;"><!----></i></span><span class="el-rate__item" style="cursor:pointer;"><i class="el-rate__icon el-icon-star-off" style="color:#999AAA;"><!----></i></span><span class="el-rate__text" style="color:#555666;"></span></div></div> <!----> <!----></div> <div class="detail-commentbar-box" data-v-56585d28><div class="commentToolbar" data-v-d10a0ac8 data-v-56585d28><div class="user-operate clearTpaErr" data-v-d10a0ac8><span class="sacn" data-v-d10a0ac8><i class="tool-icon icon-sacn" data-v-d10a0ac8></i><span class="num" data-v-d10a0ac8>154</span></span> <span data-report-click="{"spm":"3001.5988"}" class="reply" data-v-d10a0ac8><i class="tool-icon icon-reply" data-v-d10a0ac8></i><span data-v-d10a0ac8>9</span></span> <!----> <span class="pay-money" data-v-d10a0ac8><i class="tool-icon icon-pay" data-v-d10a0ac8></i><span data-v-d10a0ac8>打赏</span></span> <span data-report-click="{"spm":"3001.5987"}" class="collect" data-v-d10a0ac8><i class="tool-icon icon-collect" data-v-d10a0ac8></i>收藏<!----></span> <div class="handle-item share" data-v-ca030a68 data-v-d10a0ac8><span height="384" data-v-ca030a68><div role="tooltip" id="el-popover-9924" aria-hidden="true" class="el-popover el-popper popo share-popover" style="width:265px;display:none;"><!----><div id="tool-QRcode" class="QRcode" data-v-ca030a68><img src="https://csdnimg.cn/release/cmsfe/public/img/shareBg2.05330abf.png" alt="" class="share-bg" data-v-ca030a68> <div class="share-bg-box" data-v-ca030a68><div class="share-content" data-v-ca030a68><img src="https://profile-avatar.csdnimg.cn/384f581f424240cf818eec82e191c1da_mp3aaa.jpg!1" alt="" class="share-avatar" data-v-ca030a68> <div class="share-tit" data-v-ca030a68>请问如何在<textarea>的当前光标处插入数据？</div> <div class="share-dec" data-v-ca030a68>一个按钮 当我单击它的时候 在的当前光标处 插入一行数据 "aaa" 比如说 像csdn这个论坛发帖的时候 文章内容的部分 我点击粗体字的时候 他会在光标处插入【b】【/b】 请问如何用JS才实现 在光标处插入数据</div> <span class="copy-share-url" data-v-ca030a68>复制链接</span> <div class="shareText" data-v-ca030a68> </div></div> <div class="share-code" data-v-ca030a68><div class="qrcode" data-v-ca030a68></div> <div 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data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/wangchunxi88" class="name" data-v-395b6e48>wangchunxi88</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-20</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321882306" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>学习一下...</span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321871207" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/mp3aaa" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/384f581f424240cf818eec82e191c1da_mp3aaa.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/mp3aaa" class="name" data-v-395b6e48>mp3aaa</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-20</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321871207" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>但是在FF下不可以哎 <br /> 只能在IE下 插入</span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321874411" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/cntmi" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/b4d6799ec7b9442fb4ed3acf9108458b_cntmi.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/cntmi" class="name" data-v-395b6e48>cntmi</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-20</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321874411" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>这样就可以了，代码有点乱哦，呵呵<br /> <pre><code class="language-HTML"><br /> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><br /> <HTML><br /> <HEAD><br /> <TITLE> New Document </TITLE><br /> <META NAME="Generator" CONTENT="EditPlus"><br /> <META NAME="Author" CONTENT=""><br /> <META NAME="Keywords" CONTENT=""><br /> <META NAME="Description" CONTENT=""><br /> <script language="javascript"> <br /> <br /> var clone ;<br /> <br /> function getFocus(obj){<!-- --><br /> if(document.all){<!-- --><br /> <br /> var sel=document.selection.createRange(); <br /> <br /> clone = sel.duplicate();<br /> //设置头位置(头等于obj的TextRange的头,尾等于obj的TextRange的尾)<br /> clone.moveToElementText(obj);<br /> <br /> clone.setEndPoint('EndToEnd', sel);//设置尾位置,些时的clone不能由<br /> //return clone.text.length ;//光标前文本的长度<br /> } <br /> <br /> <br /> }<br /> function getBefore() //得到光标前的文本<br /> { <br /> return clone.text<br /> <br /> } <br /> function getLast() //得到光标后的文本<br /> { <br /> var m=clone.text.length;//当前光标所在位置<br /> clone.moveStart('character',m);//移动开始点，-m标示当前光标位置前面m个字符处<br /> clone.moveEnd('character',aa.value.length);//移动结束点,0标示当前光标位置<br /> clone.select();//选中开始点到结束点间的字符<br /> return document.selection.createRange().text ;<br /> <br /> } <br /> <br /> function insert(id,str){<!-- --><br /> if(document.all){<!-- --><br /> alert(clone == null) ;<br /> if(clone == null) return ;<br /> document.getElementById("aa").value = getBefore() + str + getLast() ;<br /> clone = null ;<br /> alert(clone == null) ;<br /> }else{<!-- --><br /> var obj = document.getElementById(id) ;<br /> var scrollTop = obj.scrollTop; // 滚动的位置<br /> var start = obj.selectionStart; // 当前光标所在位置<br /> <br /> var pre = obj.value.substr(0, obj.selectionStart); // 光标之前的内容<br /> var next = obj.value.substr(obj.selectionEnd); // 光标之后的内容<br /> <br /> document.getElementById("aa").value = pre + str + next ;<br /> }<br /> <br /> }<br /> </script> <br /> </HEAD><br /> <br /> <BODY><br /> <br /> <textarea id="aa" type=text onfocus="getFocus(this)" rows=10 cols=50><br /> 场研究公司comScore最新发布的数据显示，微软在美国搜索市场的份额已接近10%，而雅虎搜索的份额逐月下降。谷歌搜索份额继续增长。<br /> </textarea><br /> <br><br /> <input type="button" value="插入【ADD】" onclick="insert('aa','ADD')"><br /> <br /> <br /> </BODY><br /> </HTML><br /> <br /> <br /> </code></pre></span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321886547" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/tomdoglz" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/default.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/tomdoglz" class="name" data-v-395b6e48>tomdoglz</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-20</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321886547" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>留名<br /> 学习了</span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321866472" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/cntmi" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/b4d6799ec7b9442fb4ed3acf9108458b_cntmi.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/cntmi" class="name" data-v-395b6e48>cntmi</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-19</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321866472" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>var isFocus = false ;<br /> 上面这句忘了删除啦，~~~</span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321866463" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/cntmi" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/b4d6799ec7b9442fb4ed3acf9108458b_cntmi.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/cntmi" class="name" data-v-395b6e48>cntmi</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-19</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321866463" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>刚写了一个，看看是楼主要求的吧<br /> <pre><code class="language-HTML"><br /> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><br /> <HTML><br /> <HEAD><br /> <TITLE> New Document </TITLE><br /> <META NAME="Generator" CONTENT="EditPlus"><br /> <META NAME="Author" CONTENT=""><br /> <META NAME="Keywords" CONTENT=""><br /> <META NAME="Description" CONTENT=""><br /> <script language="javascript"> <br /> <br /> var clone ;<br /> var isFocus = false ;<br /> function getFocus(obj){<!-- --><br /> var sel=document.selection.createRange(); <br /> clone = sel.duplicate();<br /> //设置头位置(头等于obj的TextRange的头,尾等于obj的TextRange的尾)<br /> clone.moveToElementText(obj);<br /> <br /> clone.setEndPoint('EndToEnd', sel);//设置尾位置,些时的clone不能由<br /> //return clone.text.length ;//光标前文本的长度<br /> }<br /> function getBefore() //得到光标前的文本<br /> { <br /> return clone.text<br /> <br /> } <br /> function getLast() //得到光标后的文本<br /> { <br /> var m=clone.text.length;//当前光标所在位置<br /> clone.moveStart('character',m);//移动开始点，-m标示当前光标位置前面m个字符处<br /> clone.moveEnd('character',aa.value.length);//移动结束点,0标示当前光标位置<br /> clone.select();//选中开始点到结束点间的字符<br /> return document.selection.createRange().text ;<br /> <br /> } <br /> <br /> function insert(str){<!-- --><br /> if(clone == null) return ;<br /> document.getElementById("aa").value = getBefore() + str + getLast() ;<br /> clone = null ;<br /> }<br /> </script> <br /> </HEAD><br /> <br /> <BODY><br /> <br /> <textarea id="aa" type=text onclick=getFocus(this) rows=10 cols=50><br /> 场研究公司comScore最新发布的数据显示，微软在美国搜索市场的份额已接近10%，而雅虎搜索的份额逐月下降。谷歌搜索份额继续增长。<br /> </textarea><br /> <br><br /> <input type="button" value="插入【ADD】" onclick="insert('ADD')"><br /> <br /> <br /> </BODY><br /> </HTML><br /> <br /> </code></pre></span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321865744" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/mp3aaa" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/384f581f424240cf818eec82e191c1da_mp3aaa.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/mp3aaa" class="name" data-v-395b6e48>mp3aaa</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-19</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321865744" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>我在网上找了一个 <br /> <FORM> <br /> <TEXTAREA NAME="a" ONSELECT="this.pos=document.selection.createRange();" onCLICK="this.pos=document.selection.createRange();" onKEYUP="this.pos=document.selection.createRange();">1234567</TEXTAREA><br /> <INPUT TYPE="button" VALUE="插！" onCLICK="try{this.form.a.pos.text='插！';}catch(e){}"> <br /> </FORM><br /> <br /> <br /> 这个代码只能 在IE下成功运行 没法再FF下 </span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321865638" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/mp3aaa" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/384f581f424240cf818eec82e191c1da_mp3aaa.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/mp3aaa" class="name" data-v-395b6e48>mp3aaa</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-19</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321865638" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>你的代码没看懂。。。。。</span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div><div id="321865168" class="comment-item" data-v-395b6e48><div class="comment-box" data-v-395b6e48><div class="head-img" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/xiaofan_sap" data-v-395b6e48><img src="https://profile-avatar.csdnimg.cn/dceac39630a3491b93d21b3418d1f1ef_xiaofan_sap.jpg!1" alt data-v-395b6e48></a></div> <div class="comment-main" data-v-395b6e48><div class="user-msg" data-v-395b6e48><div class="info-card" data-v-395b6e48><span class="name" data-v-395b6e48><a target="_blank" href="https://blog.csdn.net/xiaofan_sap" class="name" data-v-395b6e48>xiaofan_sap</a> <!----> <!----> <span class="time" data-v-395b6e48>2009-11-19</span></span> <!----></div> <div class="user-operate clearTpaErr" data-v-395b6e48><span class="operate" data-v-395b6e48><i class="icon icon-operate" data-v-395b6e48></i> <div class="option-box" data-v-395b6e48><ul class="ul-box" data-v-395b6e48><li data-v-395b6e48>打赏</li><!----><!----><!----><li data-v-395b6e48>举报</li></ul></div></span> <span data-report-click="{"spm":"3001.5991"}" class="reply" data-v-395b6e48><i class="icon icon-reply" data-v-395b6e48></i> <span data-v-395b6e48>回复</span></span> <!----> <!----> <span data-report-click="{"spm":"3001.5992"}" class="love" data-v-395b6e48><!----> <i class="icon" data-v-395b6e48></i></span></div></div> <div class="comment-msg" data-v-395b6e48><div class="msg" data-v-395b6e48><!----> <span id="text-321865168" class="text rich-text blog-content-box htmledit_views markdown_views" data-v-395b6e48>http://blog.csdn.net/xiaofan_sap/archive/2009/11/17/4819423.aspx</span></div></div> <!----></div></div> <div class="comment-child flat-child" data-v-395b6e48><!----></div></div> <!----></div> <!----></div> <!----></div> <!----></div> <xg-player examineInfo="[object Object]" optionsConfig="[object Object]" data-v-4a5a7f56></xg-player> <div class="recommendList" data-v-ca2d15ac 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src="data:image/png;base64,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" alt data-v-ca2d15ac> <a target="_blank" 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data-report-click="{"mod":"popu_645","index":"1","dest":"https://download.csdn.net/download/lslong1989/6550275","strategy":"2~default~OPENSEARCH~Paid","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-6550275-bbs-320182090.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1751612800858_72686\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-6550275-bbs-320182090.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Paid-1-6550275-bbs-320182090.264^v3^pc_relevant_bbs_down_cate" class="desc" data-v-ca2d15ac>### 在<em>Textarea</em><em>光标</em><em>处</em><em>插入</em>文本 #### 知识点概览 本文将详细介绍如何使用JavaScript在`<em>textarea</em>`的<em>光标</em>位置<em>插入</em>文本。该方法适用于多种浏览器环境，包括Internet Explorer（IE）和其他基于Mozilla的浏览器（如Fire...</a></div><div 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data-report-click="{"mod":"popu_645","index":"2","dest":"https://download.csdn.net/download/weixin_38669628/11207095","strategy":"2~default~OPENSEARCH~Rate","extra":"{\"utm_medium\":\"distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Rate-2-11207095-bbs-320182090.264^v3^pc_relevant_bbs_down_cate\",\"dist_request_id\":\"1751612800858_72686\"}","spm":"1035.2023.3001.6557"}" data-report-query="spm=1035.2023.3001.6557&utm_medium=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Rate-2-11207095-bbs-320182090.264^v3^pc_relevant_bbs_down_cate&depth_1-utm_source=distribute.pc_relevant_bbs_down_v2.none-task-download-2~default~OPENSEARCH~Rate-2-11207095-bbs-320182090.264^v3^pc_relevant_bbs_down_cate" class="desc" data-v-ca2d15ac> - 在<em>光标</em><em>处</em><em>插入</em>图片，需要获取<em>当前</em><em>光标</em>位置，并在该位置<em>插入</em>图片的表示形式。对于富文本，这可能是一个内嵌对象，包含图片的URL或<em>数据</em>URL；对于简单的文本编辑器，可能需要将图片转换为某种编码形式（如Base64）并...</a></div><div 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12:36:33","formatTime":"2009-11-20","userRoleHonorary":{"userName":null,"roleId":null,"roleType":null,"roleStatus":null,"honoraryId":null,"roleName":null,"honoraryName":null,"communityNickname":null,"communitySignature":null},"child":null,"communityNickname":null,"communityReplyNickname":null,"rewardInfo":null,"checkRedPacketVO":null,"noDiggCount":null},{"hit":null,"hitMsg":null,"content":"但是在FF下不可以哎 \u003Cbr \u002F\u003E\n只能在IE下 插入","topicTitle":null,"description":"但是在FF下不可以哎 只能在IE下 插入","id":321871207,"contentResourceId":320182090,"bindContentResourceId":0,"communityId":209,"username":"mp3aaa","userNickName":"mp3aaa","userAvatar":"https:\u002F\u002Fprofile-avatar.csdnimg.cn\u002F384f581f424240cf818eec82e191c1da_mp3aaa.jpg!1","mdContent":null,"parentId":0,"replyName":"","replyNickName":"","bizNo":"bbs","ip":3683788652,"status":10,"childCount":0,"topStatus":0,"recommendStatus":0,"userLike":false,"diggCount":0,"childIds":"","createTime":"2009-11-20 12:18:30","updateTime":"2009-11-20 12:18:22","formatTime":"2009-11-20","userRoleHonorary":{"userName":"mp3aaa","roleId":214,"roleType":0,"roleStatus":1,"honoraryId":0,"roleName":"","honoraryName":null,"communityNickname":"","communitySignature":""},"child":null,"communityNickname":null,"communityReplyNickname":null,"rewardInfo":null,"checkRedPacketVO":null,"noDiggCount":null},{"hit":null,"hitMsg":null,"content":"这样就可以了，代码有点乱哦，呵呵\u003Cbr \u002F\u003E\n\u003Cpre\u003E\u003Ccode class=\"language-HTML\"\u003E\u003Cbr \u002F\u003E\n<!DOCTYPE HTML PUBLIC "-\u002F\u002FW3C\u002F\u002FDTD HTML 4.0 Transitional\u002F\u002FEN">\u003Cbr \u002F\u003E\n<HTML>\u003Cbr \u002F\u003E\n<HEAD>\u003Cbr \u002F\u003E\n<TITLE> New Document <\u002FTITLE>\u003Cbr \u002F\u003E\n<META NAME="Generator" CONTENT="EditPlus">\u003Cbr \u002F\u003E\n<META NAME="Author" CONTENT="">\u003Cbr \u002F\u003E\n<META NAME="Keywords" CONTENT="">\u003Cbr \u002F\u003E\n<META NAME="Description" CONTENT="">\u003Cbr \u002F\u003E\n<script language="javascript"> 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NAME=\"Descr","id":321874411,"contentResourceId":320182090,"bindContentResourceId":0,"communityId":209,"username":"cntmi","userNickName":"cntmi","userAvatar":"https:\u002F\u002Fprofile-avatar.csdnimg.cn\u002Fb4d6799ec7b9442fb4ed3acf9108458b_cntmi.jpg!1","mdContent":null,"parentId":0,"replyName":"","replyNickName":"","bizNo":"bbs","ip":3689795111,"status":10,"childCount":0,"topStatus":0,"recommendStatus":0,"userLike":false,"diggCount":0,"childIds":"","createTime":"2009-11-20 09:21:51","updateTime":"2009-11-20 09:21:45","formatTime":"2009-11-20","userRoleHonorary":{"userName":"cntmi","roleId":214,"roleType":0,"roleStatus":1,"honoraryId":0,"roleName":"","honoraryName":null,"communityNickname":"","communitySignature":""},"child":null,"communityNickname":null,"communityReplyNickname":null,"rewardInfo":null,"checkRedPacketVO":null,"noDiggCount":null},{"hit":null,"hitMsg":null,"content":"留名\u003Cbr \u002F\u003E\n学习了","topicTitle":null,"description":"留名 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\u002F\u003E\n\tdocument.getElementById("aa").value = getBefore() + str + getLast() ;\u003Cbr \u002F\u003E\n\tclone = null ;\u003Cbr \u002F\u003E\n}\u003Cbr \u002F\u003E\n<\u002Fscript> \u003Cbr \u002F\u003E\n<\u002FHEAD>\u003Cbr \u002F\u003E\n\u003Cbr \u002F\u003E\n<BODY>\u003Cbr \u002F\u003E\n\u003Cbr \u002F\u003E\n<textarea id="aa" type=text onclick=getFocus(this) rows=10 cols=50>\u003Cbr \u002F\u003E\n场研究公司comScore最新发布的数据显示，微软在美国搜索市场的份额已接近10%，而雅虎搜索的份额逐月下降。谷歌搜索份额继续增长。\u003Cbr \u002F\u003E\n<\u002Ftextarea>\u003Cbr \u002F\u003E\n<br>\u003Cbr \u002F\u003E\n<input type="button" value="插入【ADD】" onclick="insert('ADD')">\u003Cbr \u002F\u003E\n\u003Cbr \u002F\u003E\n\u003Cbr \u002F\u003E\n<\u002FBODY>\u003Cbr \u002F\u003E\n<\u002FHTML>\u003Cbr \u002F\u003E\n\u003Cbr \u002F\u003E\n\u003C\u002Fcode\u003E\u003C\u002Fpre\u003E","topicTitle":null,"description":"刚写了一个，看看是楼主要求的吧 \u003C!DOCTYPE HTML PUBLIC \"-\u002F\u002FW3C\u002F\u002FDTD HTML 4.0 Transitional\u002F\u002FEN\"\u003E 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