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jQuery: does element exists
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| if ( $('#myElement').length ) { | |
| // it exists | |
| } | |
| //>0 was not required | |
| //if ($('#myElement').length > 0) { | |
| // it exists | |
| }// |
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or with a function from css-tricks.com: `$.fn.exists = function(callback) {
var args = [].slice.call(arguments, 1);
if (this.length) {
callback.call(this, args);
}
return this;
};
// Usage
$('div.test').exists(function() {
this.append('
I exist!
');});`