Cannot Read Property Of Undefined Reading Style

As others are already pointed it. Web same as you don't need the # with getelementbyid. Var boxelement = document.getelementsbyclassname ('box') [0];

As others are already pointed it. Var boxelement = document.getelementsbyclassname ('box') [0]; Web same as you don't need the # with getelementbyid.

Web same as you don't need the # with getelementbyid. Var boxelement = document.getelementsbyclassname ('box') [0]; As others are already pointed it.

Var boxelement = document.getelementsbyclassname ('box') [0]; Web same as you don't need the # with getelementbyid. As others are already pointed it.

As Others Are Already Pointed It.

Var boxelement = document.getelementsbyclassname ('box') [0]; Web same as you don't need the # with getelementbyid.

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