jQuery not() Method

jQuery Traversal Methods

The not() method returns elements that do not meet the specified conditions.

The not() method filters out all elements that match the selected criteria, and unmatched elements will be returned.

The not() method is similar tofilter()The opposite method.

Syntax:

Get elements that do not meet the specified conditions:

$(selector).not(criteria)

Use a function to get elements:

$(selector).not(function(index))

Example

Return all paragraphs except the first one:

$("document").ready(function(){
　　$("p").not(":first").css("background", "coral");
});

Return all paragraphs without the class name "demo":

$("document").ready(function(){
　　$("p").not(".demo").css("background", "coral");
});

Return all items even if they are not:

$("document").ready(function(){
　　$("li").not(":even").css("background", "coral");
});

Change the background color of all divs; then add border color for those elements without the "middle" class name:

$("document").ready(function(){
　　$("div").css("background", "#c8ebcc").not(".middle").css("border-color", "red");
});

Use a function to filter out elements:

$("document").ready(function(){
　　$("div").not(function(i){　　
　　　　return $(this).hasClass("middle");
　　}).css("background-color", "blue");
});

Parameter Value

jQuery Traversal Methods