- Tags: jQuery Traversing
- Categories: jQuery Methods, jQuery Reference, Reference
Quick Reference
The filter() method returns elements that match a certain criteria. Elements that don’t match the criteria are removed from the selection.
$('p').filter()
// chooses all paragraphs with a class of .section and applies CSS
$('p').filter('.section').css('color', 'red');
Syntax
$(selector).filter(criteria,function(index))
Parameter
| Parameter | Description |
|---|---|
| criteria | Specifies a selector expression, a jQuery object, or one or more elements to be returned from a group of selected elements (to specify multiple criteria, separate them with commas) |
| function(index) | Specifies a function to run for each element in the set; if it returns true, the element is kept, if false, the element is removed |
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jQUERY NOTES:
- To use jQuery on your site, it must first be downloaded from the official jQuery site and linked to in your document
head, or linked to via a CDN in your documenthead - It is generally good practice to place your jQuery code/function inside the document load function so that the action takes place ONLY after the document has finished loading
- When using jQuery, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
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