HTML DOM removeEventListener () method
Examples
Remove the addEventListener () method to add the "mousemove" event:
document.addEventListener ( "mousemove", myFunction);
// Remove the document event handler
document.removeEventListener ( "mousemove", myFunction);
try it"
Definitions and use
document.removeEventListener () method is used to remove the document.addEventListener () method to add event handlers.
Note: If you want to remove the event handler, addEventListener () function implementation must use an external function, as the example shown (myFunction).
Anonymous function, similar to "document.removeEventListener (" event ", function () {myScript});" This event can not be removed.
Tip: Use element .addEventListener () and element .removeEventListener () method to add or remove the specified element event handlers.
Browser Support
Figures in the table represent the first browser to support the method version number.
| method | |||||
|---|---|---|---|---|---|
| removeEventListener () | 1.0 | 9.0 | 1.0 | 1.0 | 7.0 |
Note: Internet Explorer 8 and earlier versions do not support IE removeEventListener () method, Opera 7.0 and earlier versions do not support Opera. However, they do not support the function of the browser, you can use detachEvent () method to remove the attachEvent () method to add an event handler (see "More examples" for cross-browser solution).
grammar
Parameter Value
| parameter | description |
|---|---|
| event | have to. To remove the name of the event. Note: Do not use the "on" prefix. For example, use "click", instead of "onclick". Tip: All HTML DOM events, you can see our complete HTML DOM Event Object Reference . |
| function | have to. Specify the function to be removed. |
| useCapture | Optional. Boolean value that specifies remove the event handler stage. Possible values:
|
technical details
| DOM version: | DOM Level 2 events |
|---|---|
| return value: | No return value |
| Records: | In Firefox 6 and Opera 12.0 in useCapture parameter is optional. (In Chrome, IE, and Safari has always been optional). |
More examples
Examples
If your browser does not support the removeEventListener () method, you can use detachEvent () methods.
This example demonstrates the cross-browser solution:
document.removeEventListener ( "mousemove", myFunction);
} Else if (document.detachEvent) {// IE 8 and earlier versions of IE
document.detachEvent ( "onmousemove", myFunction);
}
try it"
related articles
JavaScript tutorial: the HTML the DOM EventListener A
JavaScript Reference Manual: Element .removeEventListener ()