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prevent-default-event-actions.html
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49 lines (42 loc) · 1.28 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title> </title>
</head>
<body>
<div id="output"></div>
<script>
const output = document.getElementById("output");
output.innerHTML = `
<form>
<label>
Username: <input type="text"/>
</label>
</br>
<label>
<input type="checkbox"/> I Agree
</label>
</form>
`;
const form = document.querySelector("form");
const user = form.querySelector("input[type=text]");
const checkbox = form.querySelector("input[type=checkbox]");
function handleSubmit(event) {
if (!checkbox.checked) {
event.preventDefault();
console.log("Terms are not selected");
console.log(event.defaultPrevented);
return;
}
console.log("Submitted", user.value);
}
form.addEventListener("submit", handleSubmit);
// checkbox.addEventListener("click", (event) => {
// event.preventDefault();
// });
</script>
</body>
</html>