Is says TypeError: Cannot Set property 'onclick' of null. How do i fix it?

Question

https://code.sololearn.com/WANEaoYYl5Od/?ref=app

Answer 1

Move content1 and button1 inside the window.onload function. Then you also have an error with the last JS line where the variable name is button instead of button1.

Answer 2

window.onload=function(){

Js code goes here

}

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