限制為整數
<html><head><script language="javascript" type="text/javascript"> var G=document.getElementById; function checkNumber(){ var reg = /^(?:0|[1-9][0-9]?|100)$/; var strNumber = G("txtNumber").value; alert(reg.test(strNumber)) }</script></head><body ><input type="text" value="" id="txtNumber" title="Please enter a number witch between 0 and 100 .."><button onclick="checkNumber();">CheckNumber</button></body></html>限制為貨幣
<script language="JavaScript" type="text/javascript"><!--function checkMoney(obj){var tempValue=obj.value.replace(/(^/s+)|(/s+$)/g,'');if(!tempValue){return;}if(/^-?/d+(/./d+)?$/.test(tempValue)){obj.value=parseFloat(tempValue).toFixed(2);}else{alert('請輸入合法的貨幣值！');obj.select();return;}}//--></script>onblur="checkMoney(this)"新聞熱點
疑難解答
