在 Javascript TextArea 如何动态设置它的宽度,
我尝试使用以下代码,该代码仅适用于作为参数传递的最后一个 Id。
请帮我找出做错了什么。
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
textarea {
border : 1 black;
overflow: hidden;
padding: 0;
outline: none;
background-color: yellow;
resize: none;
}
</style>
<script type="text/javascript">
var observe;
if (window.attachEvent) {
observe = function (element, event, handler) {
element.attachEvent('on'+event, handler);
};
}
else {
observe = function (element, event, handler) {
element.addEventListener(event, handler, false);
};
}
function loadTArea (ids) {
for (var i = 0; i < ids.length; i++) {
var text = document.getElementById(ids[i]);
function resize () {
text.style.height = 'auto';
text.style.height = text.scrollHeight+'px';
}
/* 0-timeout to get the already changed text */
function delayedResize () {
window.setTimeout(resize, 0);
}
observe(text, 'change', resize);
observe(text, 'cut', delayedResize);
observe(text, 'paste', delayedResize);
observe(text, 'drop', delayedResize);
observe(text, 'keydown', delayedResize);
text.focus();
text.select();
resize();
}
}
</script>
</head>
<body onload="loadTArea (['text1','text2']);">
<textarea rows="1" style="height:1em;" id="text1"> sadfa daf </textarea>
<textarea rows="1" style="height:1em;" id="text2"> sadfa daf </textarea>
</body>
</html>