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var a="some";
var b="some";
ÔõôÅÐ¶Ï a ºÍ b ÊDz»ÊÇÏàµÈѽ£¬
(ÓÃ==ºÃÏñ²»ÐÐ)

if (a!=b)
alert("×Ö·û²»·û")
else
alert("×Ö·ûÏàͬ")

if(a==b)¿ÉÒÔÓÃ"=="ºÅÅÐ¶ÏµÄ .

ÎÒÕâÓÃ==²»ÐУ¬ÊÇʲôԭÒòѽ£¬

JScript code:

function test(){
a = "some";
b = "some";
if(a==b){
alert("ÏàµÈ");
}
}


HTML code:
<input type="button" value="²âÊÔ" onclick="test()" />


JScript code:
<script>
var a="some";
var b="some";
if (a==b)
alert("×Ö·ûÏàͬ");
else
alert("×Ö·û²»·û");
</script>




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JScript code:

function test(){
if($("#text").val()=="some"){//Èç¹ûÊÇÎı¾¿òÅжÏ×Ö·ûÒª¼Ó""
alert("ÏàµÈ");
}else alert("²»ÏàµÈ


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