兼容IE和Chrome的文本输入框实时变化监听
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>监听输入框值的即时变化(兼容Chrome和IE)</title>
<script type="text/javascript">
function getTitleObjs(name) {
var titleObjs = document.getElementsByName(name);
if (titleObjs != null) {
return titleObjs;
}
return null;
}
function getCount(str) {
str = str.replace(/(<.*?>)/ig,'');
str = str.replace(/([\u0391-\uFFE5])/ig,'11');
var count = str.length;
return count/2;
}
// 主标题长度
function showTitlel() {
var textCounter = 0;
var textObjs = getTitleObjs("titleText");
if (textObjs != null) {
for (var i = 0; i < textObjs.length; i ++) {
textCounter += getCount(textObjs[i].value)
}
}
// 主标题长度
document.getElementById("titlel").innerHTML = "<b>"
+textCounter + "</b>";
document.getElementById("titleTotal").innerHTML = "<b>"
+textCounter + "</b>";
}
</script>
</head>
<body>
<input type="text" oninput="showTitlel()"
onpropertychange="showTitlel()" id="titleText"
name="titleText" value="" style="width:160px">
总长: <span id=titleTotal>0</span> 主标: <span id=titlel>0</span>
副标: <span id=stitlel>0</span>
</body>
</html>
