jQuery event.namespace Property Last Updated : 17 Nov, 2022 Comments Improve Suggest changes Like Article Like Report The jQuery event.namespace property is used to return the custom namespace whenever the event is triggered. It is used to handle tasks differently depending on the namespace used. Syntax: event.namespace Parameters: This property contains single parameter event which is required. It returns the custom namespace and it comes from the event binding function. Example 1: This example uses event.namespace property to return and remove namespace. HTML <!DOCTYPE html> <html> <head> <title> jQuery event.namespace Property </title> <script src= "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> </script> <!-- Script to use event.namespace property --> <script> $(document).ready(function () { $("h3").on("custom.someNamespace", function (event) { alert(event.namespace); }); $("h3").click(function (event) { $(this).trigger("custom.someNamespace"); }); $("button").click(function () { $("h3").off("custom.someNamespace"); }); }); </script> </head> <body> <center> <h1>Welcome to GeeksforGeeks!.</h1> <div style="background-color:green"> <h3> Click here Geeks for Geeks.</h3> <button>Remove namespace</button> </div> </center> </body> </html> Output: Example 2: This example uses click.mySomething namespace to slideToggle the content. HTML <!DOCTYPE html> <html> <head> <title> jQuery event.namespace Property </title> <script src= "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> </script> <!-- Script to use event.namespace to slideToggle content --> <script> $(document).ready(function () { $("h3").on("click.mySomething", function () { $(this).slideToggle(); }); $("button").click(function () { $("h3").off("click.mySomething"); }); }); </script> </head> <body> <center> <h1>Welcome to GeeksforGeeks!.</h1> <div style="background-color:green"> <h3>1st statement : Geeks for Geeks.</h3> <h3>2nd statement : Mathematics</h3> <button>Click to remove namespace</button> </div> </center> </body> </html> Output: Comment More infoAdvertise with us A adeshsingh1 Follow Improve Article Tags : Web Technologies JQuery jQuery-Events jQuery-Propertie Similar Reads jQuery bind() Method The jQuery bind() method is used to attach one or more event handlers for selected elements. 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