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分享代码中为何总显示"return numKeyDown"缺少对象
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Untitled Page</title>
<script type="text/javascript">
function numKeyDown() {
var k = window.event.keyCode;
return isValidNum(k);
alert;
}
function isValidNum(k) {
return ((k == 9) || (k == 13) || (k == 46) || (k == 8) || (k == 189) || (k == 109) ||
(k == 190) || (k == 110) || (k >= 48 && k <= 57) || (k >= 96 && k <= 105) || (k >= 37 && k <= 40));
}
function commafy() {
var re=/\d(1,3)(?=(\d+)((\.\d+)?)$/g;
var n1=n.replace(/"(\d+)?)$/,function(s,s1,s2){return s1.replace(re,"$&,")+s2;});
return n1;
}
function numPaste(){
var text=clipboardData.getData("Text");
for(var i=0;i<text.length;i++){
var asc=text.charCodeAt(i);
if(!isValidNum(asr){
return false;
}
}
}
</script>
</head>
<body>
<input id="t" type="text" onpaste="return numPaste()" style="ime-mode:disabled" onkeydown="return numKeyDown() "
onfocus="this.style.textAlign='left':this.value=this.value.replace(/,/g,'')";
onblur="this.style.textAlign='right':this.value=commafy(this.value)" />
</body>
</html>
代码中为何总显示"return numKeyDown"缺少对象
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Untitled Page</title>
<script type="text/javascript">
function numKeyDown() {
var k = window.event.keyCode;
return isValidNum(k);
alert;
}
function isValidNum(k) {
return ((k == 9) || (k == 13) || (k == 46) || (k == 8) || (k == 189) || (k == 109) ||
(k == 190) || (k == 110) || (k >= 48 && k <= 57) || (k >= 96 && k <= 105) || (k >= 37 && k <= 40));
}
function commafy() {
var re=/\d(1,3)(?=(\d+)((\.\d+)?)$/g;
var n1=n.replace(/"(\d+)?)$/,function(s,s1,s2){return s1.replace(re,"$&,")+s2;});
return n1;
}
function numPaste(){
var text=clipboardData.getData("Text");
for(var i=0;i<text.length;i++){
var asc=text.charCodeAt(i);
if(!isValidNum(asr){
return false;
}
}
}
</script>
</head>
<body>
<input id="t" type="text" onpaste="return numPaste()" style="ime-mode:disabled" onkeydown="return numKeyDown() "
onfocus="this.style.textAlign='left':this.value=this.value.replace(/,/g,'')";
onblur="this.style.textAlign='right':this.value=commafy(this.value)" />
</body>
</html>
代码中为何总显示"return numKeyDown"缺少对象
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ycproc 2012-04-24
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numKeyDown 是什么 在页面能找到吗？
色拉油 2012-04-24
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function numKeyDown() {
var k = window.event.keyCode;
return isValidNum(k);
alert;//去掉
}
var k = window.event.keyCode;
return isValidNum(k);
alert;//去掉
}
fmxShangLU 2012-04-24
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我自己定义的一个函数
