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Groups > comp.lang.javascript > #37117

Re: bind and addEventListener/removeEventListener

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On Tuesday, 13 August 2019 17:28:29 UTC+2, Cezary Tomczyk  wrote:
> Bind 
> https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind 
> creates a new function.
> 
> Let's say we have #1:
> 
> document.body.addEventListener('click', myExampleClass.method.bind(this));
> 
> and then:
> 
> document.body.removeEventListener('click', myExampleClass.method);
> 
> based on my research it should not be correct as the function created by 
> bind is different than the original passed by reference in 
> document.body.removeEventListener.
> 
> If it is not correct then the approach like:
> 
> var myRef = myExampleClass.method.bind(this);

myExampleObject please...

> document.body.addEventListener('click', myRef);
> document.body.removeEventListener('click', myRef);
> 
> should be more appropriate, I guess.
> 
> Need some thoughts on that.

Sounds correct to me.

Julio

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bind and addEventListener/removeEventListener Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2019-08-13 17:28 +0200
  Re: bind and addEventListener/removeEventListener Julio Di Egidio <julio@diegidio.name> - 2019-08-13 08:43 -0700
    Re: bind and addEventListener/removeEventListener Julio Di Egidio <julio@diegidio.name> - 2019-08-13 11:29 -0700
      Re: bind and addEventListener/removeEventListener Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2019-08-13 20:43 +0200
        Re: bind and addEventListener/removeEventListener Julio Di Egidio <julio@diegidio.name> - 2019-08-13 11:48 -0700
  Re: bind and addEventListener/removeEventListener Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2019-08-13 20:58 +0200
    Re: bind and addEventListener/removeEventListener Julio Di Egidio <julio@diegidio.name> - 2019-08-13 12:36 -0700

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