Not class selector in jQuery
Given a list of elements and the task is to not select a particular class using JQuery.
- jQuery :not() Selector: This selector selects all elements except the specified element.
Syntax:
$(":not(selector)")Parameters: It contains single parameter selector which is required. It specifies the element which do not select. This parameter accepts all kind of selector.
- jQuery not() Method: This method returns elements that do not match a defined condition. This method specifies a condition. Elements that do not match the condition are returned, and those that match will be removed. Mostly this method is used to remove one or more than one elements from a group of selected elements.
Syntax:
$(selector).not(condition, function(index))
Parameters:
- condition: This parameter is optional. It specifies a selector expression, a jQuery object or one or more than one elements to be removed from a group of selected elements.
- function(index): This parameter is optional. It specifies a function to run for every element in a group. If it returns true, the element is removed else, the element is kept.
- index: It specifies the index position of the element in the set
Example 1: In this example first all classes of starting GFG- are selected then class GFG-1 is removed from the selection using .not() method.
<!DOCTYPE HTML> <html> <head> <title> Not class selector in jQuery. </title> <script src = </script> </head> <body style = "text-align:center;"> <h1 id = "h" style = "color:green;" > GeeksForGeeks </h1> <p id = "GFG" style = "font-size: 15px; font-weight: bold;"> click on button to change the text content of all classes except GFG-1 </p> <p class = "GFG-1" style = "font-size: 15px; font-weight: bold;"> GFG-1 </p> <p class = "GFG-2" style = "font-size: 15px; font-weight: bold;"> GFG-2 </p> <p class = "GFG-3" style = "font-size: 15px; font-weight: bold;"> GFG-3 </p> <button id = "button"> Click here </button> <p class = "GFG" style = "color:green; font-size: 20px; font-weight: bold;"> </p> <script> $("button").on('click', function() { $('p[class^="GFG-"]').not('.GFG-1').text("new Content"); $(".GFG").text("Text content changed") }); </script> </body> </html> |
Output:
- Before clicking on the button:
- After clicking on the button:
Example 2: In this example, first all classes of starting GFG- are selected then class GFG-1 is removed from the selection using :not selector.
<!DOCTYPE HTML> <html> <head> <title> Not class selector in jQuery. </title> <script src = </script> </head> <body style = "text-align:center;"> <h1 id = "h" style = "color:green;" > GeeksForGeeks </h1> <p id = "GFG" style = "font-size: 15px; font-weight: bold;"> click on button to change the text content of all classes except GFG-1 </p> <p class = "GFG-1" style = "font-size: 15px; font-weight: bold;"> GFG-1 </p> <p class = "GFG-2" style = "font-size: 15px; font-weight: bold;"> GFG-2 </p> <p class = "GFG-3" style = "font-size: 15px; font-weight: bold;"> GFG-3 </p> <button id = "button"> Click here </button> <p class = "GFG" style = "color:green; font-size: 20px; font-weight: bold;"> </p> <script> $("button").on('click', function() { $('p[class^="GFG-"]:not(.GFG-1)').text("new Content"); $(".GFG").text("Text content changed") }); </script> </body> </html> |
Output:
- Before clicking on the button:
- After clicking on the button:
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