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I want to display grid tree columns. I have error line 18. Thanks you sir.
display tree columns grid items. https://code.sololearn.com/WdBXYiWele7i/?ref=app
1 ответ
0
try this
button.addEventListener ("click",function myFunction () { var el = document.querySelector (".grid-container") ; el.style.gridTemplateColumns = "50px 50px 50px";});
On line 18