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JavaScript
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<h4>Please write on both textarea</h4> <textarea class="editor"></textarea> <textarea class="editor"></textarea>
window.addEventListener("load", () => { const elAEditor = document.querySelectorAll(".editor"); elAEditor.forEach(elEditor => { elEditor.addEventListener("focusin", e => { e.currentTarget.style.backgroundColor = "#FFFF00"; }); }); });
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by DevDic
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