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CSS
JavaScript
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<form id="myform"> <input type="text" id="comment" name="comment" value="can not modify" /> <button type="submit">Submit</button> </form>
input:read-only { filter: invert(); outline: none; }
document.addEventListener("DOMContentLoaded", () => { const $elMyform = document.getElementById("myform"); const $elComment = document.getElementById("comment"); $elComment.readOnly = true; $elMyform.addEventListener("submit", e => { e.preventDefault(); }, { passive: false }); });
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by DevDic
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