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1¡¢eval()º¯Êý
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<script>
function show(obj)
{
var str=eval("document.Form."+obj+".value");
alert(“ÄãÊäÈëµÄÐÕÃûÊÇ:”+str);
}
</script>
<form name="Form" id="Form">
ÐÕÃû£º
<input name="name" type="text" value="ΤС±¦">
<input name="button" type="button" value="Ìá½»" onClick=show("name")>
</form>
2¡¢isNaN()º¯Êý
ÊýÖµÅжϺ¯ÊýisNaN()µÄ¸ñʽ£ºisNaN(<Á¿>)
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<script>
var x=15;
var y="»ÆÑÅÁá";
document.write("<LI>x²»ÊÇÊýÖµÂð£¿",isNaN(x));
document.write("<LI>y²»ÊÇÊýÖµÂð£¿",isNaN(y));
</script>
3¡¢parseInt()º¯Êý
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¸ñʽ£ºparseInt(ÊýÖµ×Ö´®[£¬µ×Êý])
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<script>
document.write("1101<sub>2</sub>=",parseInt("1101",2),"<sub>10</sub><br>");
document.write("BFFF<sub>16</sub>=",parseInt("BFFF",16),"<sub>10</sub><br>");
</script>
4¡¢parseFloat()º¯Êý
parseFloat()ÊǸ¡µãÊý
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([thisObj[,arg1[, arg2[, [,.argN]]]]])
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thisObj
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1. BtnDel.Attributes.Add("onclick","return confirm('"+"È·ÈÏɾ³ý?"+"')");
2. linktempDelete.Attributes["onclick"]="javascript:return confirm('"+"È·ÈÏɾ³ý?"+"');";
3. privat ......
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1 ´´½¨½Å±¾¿é
1: <script language=”JavaScript”>
2: JavaScript code goes here
3: </script>
2 Òþ²Ø½Å±¾´úÂë
1: <script language=”JavaScript”>
2: ......
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<script>
var oDiv = document.createElement("DIV");
oDiv.id = "shop01";
oDiv.style.top = 200;
oDiv.style.left = 200;
oDiv.style.background = '#FFFF00';
oDiv.style.visibility = 'visible';
oDiv.innerHTML="123123"
document.body.appendChild(oDiv ......