onkeypress

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<html><head><script>function addEventsToHTML() {var field1 = document.getElementById('field1');var field2 = document.getElementById('field2');field1.onkeypress = monitor;field2.onkeypress = monitor;function monitor() {alert("key pressed in " + this.id);}}window.onload = addEventsToHTML;</script><title>test</title><body>   <input id="field1">   <input id="field2"></body></html>
原文:http://www.developphp.com/view_lesson.php?v=812
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