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Copy codeThe Code is as follows:
<Html>
<Head> <title> JS reflection </title>
<Script type = "text/javascript">
/*
* Reflection
*/
Function forwindow (){
For (var I in window) {/* Loop
If (window [I] = "wsenmin") {/* Three equal signs, first compare the type
Return I;/* If the type is different, it is skipped automatically.
}/* Compare values only when the types are the same
}
}
Var name = "wsenmin ";
Var trimName = forwindow ();
Alert (trimName );
</Script>
</Head>
<Body>
</Body>
</Html>
/* An error is returned when two equal signs are compared directly, but the types cannot be converted.
Window [I] = "wsenmin1"
Window [I] = "wsenmin1"
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