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How can I determine if a JavaScript variable is defined in a page? [duplicate]
How can i check in JavaScript if a variable is defined in a page? Suppose I want to check if a variable named "x" is defined in a page, if I do if(x != null) , it gives me an error.
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PHP Function Comments
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Best approach for designing F# libraries for use from both F# and C#
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PHP DOMDocument errors/warnings on html5-tags
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Need to remove href values when printing in Chrome
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Removing duplicate values from a PowerShell array
...single occurrences of a Row across said Columns, or develop an alternative script solution. Instead these cmdlets have only returned Rows in an Array that occurred ONCE with singular occurrence and dumped everything that had a duplicate. Typically I have to Remove Duplicates manually from the fina...
jQuery 1.9 .live() is not a function
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You can avoid refactoring your code by including the following JavaScript code
jQuery.fn.extend({
live: function (event, callback) {
if (this.selector) {
jQuery(document).on(event, this.selector, callback);
}
return this;
}
});
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Find first element by predicate
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What is Cache-Control: private?
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How to handle back button in activity
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