<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br /><html xmlns="http://www.w3.org/1999/xhtml" ><br /><head><br /> <title>響應鍵盤特定按鍵(只響應數字鍵)</title><br /> <mce:script type="text/javascript"><!--<br /> //限制只能輸入數字<br /> function checkNum()<br /> { //alert(event.keyCode);<br /> if((event.keyCode>=48&&event.keyCode<=57)||event.keyCode==8||(event.keyCode>=96&&event.keyCode<=105)<br /> ||event.keyCode==46||event.keyCode==37||event.keyCode==39||event.keyCode==190)<br /> //||event.keyCode==110)//加上這個就可以輸入小數點了.<br /> {<br /> event.returnValue=true;<br /> }<br /> else<br /> {<br /> event.returnValue=false;<br /> }<br /> } </p><p>// --></mce:script><br /></head><br /><body><br /> <input id="txtShow" type="text" onkeydown="checkNum();"/><br /></body><br /></html><br />
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