DOM3中引入了文本事件，其中之一 textInput 。
當使用者再可編輯區域輸入字元時觸發該事件。
與keypress不同的是，該事件只會在使用者輸入可視字元時觸發，而keypres事件則只要按下鍵即觸發(如CapsLock，Backspace)。
可看到textInput考慮的主要是字元，可以通過事件對象的data屬性擷取所輸入字元。softbar
http://www.softbar.com/
樣本
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>DOM3 event textInput</title>
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</head>
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<body>
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<input id="ipt" type="text" />
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<script type="text/javascript">
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function addEvent(el,type,fn){
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if(el.addEventListener){
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el.addEventListener(type, fn, false);
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}else{
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el.attachEvent('on' + type, fn);
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}
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}
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var ipt = document.getElementById('ipt');
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addEvent(ipt,'textInput',function(e){
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e = e || window.event;
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console.log(e.data);
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});
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</script>
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</body>
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</html>
目前只有IE9，Chrome，Safari支援。
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