JavaScript DOM HTML method: removeEventListener()
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The removeEventListener() method (when
applied to HTML
elements in the JavaScript
DOM) removes
(detaches) an event handler from the element.
It
has the following syntax with the following parameters. It does not return
any value.
element.removeEventListener(event, function, useCapture)
|
Parameter
|
Required / Optional
|
Description
|
|
event
|
Required
|
String specifying event
(excluding the ‘on’ part at
the start of the relevant event attribute name)
|
|
function
|
Required
|
Name of function (with
‘()’ included at end)
|
|
useCapture
|
Optional
|
If true then event handler is executed
in the capturing phase of the page load, if false then in the bubbling phase
|
Some earlier versions of
some major browsers do not support this method. For these browsers you instead
need to use the detachEvent()
method. If the event listener was attached two times, once in the capturing and
ones in the bubbling phase using the useCapture parameter then it needs
to be removed twice as well.
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