Cannot read property 'addEventListener' of null

Rich Raccoon answered on April 14, 2021 Popularity 10/10 Helpfulness 4/10

answer Cannot read property 'addEventListener' of null

related Error: TypeError: Cannot read property 'addEventListener' of null at downLoaded (file:///convert.js:10:38)

related TypeError: Cannot read property 'addEventListener' of null

Cannot read property 'addEventListener' of null

Comments(1)

in .html page 

add .js file script at the bottom instead of in the header



******************



<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <link rel="stylesheet" href="myfile.css">
   
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Api</title>
</head>
<body>

  
</body>

<script src="my.js"></script>         ======> here
</html>

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Tags: javascript null

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Contributed on May 21 2022

Rich Raccoon

0 Answers Avg Quality 2/10

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Error: TypeError: Cannot read property 'addEventListener' of null at downLoaded (file:///convert.js:10:38)

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if(cInputValue.value != "")

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Contributed on Apr 14 2021

Successful Starling

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TypeError: Cannot read property 'addEventListener' of null

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// Credit to: Rob M.
// Origin: https://stackoverflow.com/questions/26107125/cannot-read-property-addeventlistener-of-null

// I think the easiest approach would be to just 
// check that el is not null before adding an event listener:

var el = document.getElementById('overlayBtn');
if(el){
  el.addEventListener('click', swapper, false);
}

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Contributed on Aug 26 2021

|_Genos_|

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Cannot read property 'addEventListener' of null

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Cannot read property 'addEventListener' of null

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Error: TypeError: Cannot read property 'addEventListener' of null at downLoaded (file:///convert.js:10:38)

TypeError: Cannot read property 'addEventListener' of null

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