Departure Unevenness ask document getelementbyid css latch Try out Dwell
how come when I use "document.getElementById("img1").src=selectedImg1;" my code works fine but if I change the ".getElementById" to "getElementByClassName" it doesn't work anymore? : r/webdev
javascript - document.getElementById returns null after Dynamically generated HTML element - Stack Overflow
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javascript - Using the # inside a CSS id declaration - Stack Overflow
How to find and get HTML Elements in JavaScript
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