jQuery event.data Property
The jQuery event.data property is used to contain the optional data which is passed to an event method. The data passed when the currently executing handler is bound.
Syntax:
event.data
Parameters:
- event: It is the parameter which is used to specify the name of the event type on the selector.
Example 1: Below example illustrates the event.data method in jQuery.
HTML
<!DOCTYPE html> <html> <head> <title>The event.data property</title> <script src= </script> <script type="text/javascript"> $(document).ready(function () { $('#ClickMe').on('click', { msg: 'GFG says hi to', name: 'John Doe' }, sayHello); $('#ClickMe').on('click', { msg: 'GFG says Hi!!' }, sayHello); $('#ClickMe').on('click', sayHello); function sayHello(event) { if (event.data == null) { alert('No name or msg provided'); } else { alert('Hello ' + event.data.msg + (event.data.name != null ? ' ' + event.data.name : '')); } } }); </script> </head> <body style="font-family:Arial"> <input id="ClickMe" type="button" value="Click Me" /> </body> </html> |
Output:
Example 2: In this example, the message will show in the output box when either box is clicked.
HTML
<!DOCTYPE html> <html> <head> <title>The event.data property</title> <script src= </script> <script type="text/javascript"> $(document).ready(function () { $('#1').on('click', { msg: 'GFG says hi to', name: 'John Doe' }, sayHello); $('#2').on('click', { msg: 'GFG says Hi!!' }, sayHello); $('#1').on('click', sayHello); $('#2').on('click', sayHello); function sayHello(event) { if (event.data == null) { alert('No name or msg provided'); } else { $("#output").html('Hello ' + event.data.msg + (event.data.name != null ? ' ' + event.data.name : '')); } } }); </script> <style> #output { margin: 10px; padding: 10px; height: 25px; width: 300px; border: 2px solid green; display: block; } </style> </head> <body style="font-family:Arial"> <input id="1" type="text" value="Geeksforgeeks" /> <input id="2" type="text" value="Welcome to GFG" /> <div id="output"></div> </body> </html> |
Output:
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