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<form id="myform"> <p> <ruby> 아무것도 입력하지 않거나 잘못된 이메일을 입력하고 버튼을 누르세요. <rt>Please do not enter anything or enter an incorrect email address.</rt> </ruby> </p> <input type="email" id="email" required /> <button type="button" id="btn-send">Send</button> </form>
window.addEventListener("load", () => { const elBtnSend = document.getElementById("btn-send"); const elEmail = document.getElementById("email"); elBtnSend.onclick = e => { if(!elEmail.checkValidity()) { elEmail.reportValidity(); } }; });
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by DevDic
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