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Say I have the following:
$('#foo')
I'd like to know if that selector matches anything. How do I test for this?
812
$() = window. jQuery() $()/jQuery() is a selector function that selects DOM elements. Most of the time you will need to start with $() function. It is advisable to use jQuery after DOM is loaded fully.
if ($('#foo').length > 0) {
// do things
}
should do it
104
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