<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" > |
<html> |
<head> |
<title>演示JS中关系运算的细节</title> |
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</head> |
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<body> |
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<script type= "text/javascript" > |
var str = "55" ; |
var num = 55; |
alert(str == num); //true |
alert(str === num); //false |
alert(str.equals(num)); //报错 |
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</script> |
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</body> |
</html> |