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jQuery check if element exists
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| /** | |
| * @desc checks if current element exists | |
| * @param none | |
| * @return int - the number of elements present, > 0 = element exists | |
| */ | |
| jQuery.fn.exists = function(){ return this.length > 0; } | |
| // Usage: | |
| if( $('#my-div').exists() ){ | |
| // do something | |
| } |
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