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If the attribute height is written as not all lowercase letters, for example, window. screen. height or window. screen. in IE6 and IE7, the values (IE6 and IE7 are case insensitive) and the values are undefined (IE8 is case sensitive) in IE8.
Example:
Copy codeThe Code is as follows:
<Html>
<Body>
<Input type = "button" value = "Test" onclick = "showMessage ()">
</Body>
<Script lang = "javascript">
Function showMessage (){
Alert (window. screen. Height );
}
</Script>
</Html>
Solution: replace all html, js, and jsp files without case sensitivity.
List of attributes that need to be replaced in the INS system:
Window. screen. height (mistakenly written as window. screen. Height)
Window. screen. width (mistakenly written as window. screen. Width)
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