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<script type="text/javascript" src="jquery-1.1.3.pack.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#fontsize").change(function(){
var size = $("#fontsize").val();//获取下拉框的值
$("p").css({"font-size":size }); //把值付给css的font-size
});
});
</script>
<label for="fontsize">字体大小</label>
<select id="fontsize">
<option value="12px">小号</option>
<option value="16px" >中号</option>
<option value="24px">大号</option>
</select>
<p>aaaaaaaaaaaaaaaaaaaa</p>
<p>aaaaaaaaaaaaaaaa</p>
<p>aaaaaaaaaaaaaaaaaaaaap>
<script>function doZoom(size){
var artibody = document.getElementById('artibody');
if(!artibody){
return;
}
var artibodyChild = artibody.childNodes;
artibody.style.fontSize = size + 'px';
for(var i = 0; i < artibodyChild.length; i++){
if(artibodyChild[i].nodeType == 1){
artibodyChild[i].style.fontSize = size + 'px';
}
}
}
function copyText(obj)
{
var rng = document.body.createTextRange();rng.moveToElementText(obj);rng.scrollIntoView();rng.select();rng.execCommand("Copy");rng.collapse(false);
}
</script>