TypeError: Cannot read property 'querySelector' of null
It seems like u are missing the class name or parent element ID. below is the example of using querySelector. <pre> var parentElement = document.getElementById('deviceready'); var listeningElement = parentElement.querySelector('.listening'); console.log(listeningElement); <div id="deviceready"> <div class="li...
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I was getting this error while writing unit tests and I am testing editor instance to be defined. Randomly test case is passing but mostly I am getting this error.
Answers (3)
It seems like u are missing the class name or parent element ID. below is the example of using querySelector. <pre> var parentElement = document.getElementById('deviceready'); var listeningElement = parentElement.querySelector('.listening'); console.log(listeningElement); <div id="deviceready"&g...
Sorry but this might depend on way too many factors (eg. your environment) and has nothing to do with the core itself.
Thanks for reporting this, @krishnaeverestengineering. The issue with TypeError: Cannot read property 'querySelector' of null appears to be a race condition or state management timing problem. This typically happens when component lifecycle events and DOM modifications overlap, creating an inconsis...
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