[JavaScript]document.formsで名前付きフォームを利用するサンプル
JavaScriptコード
<script>
var loginForm = document.forms.user;
userForm.elements.email.placeholder = '123test@example.com';
userForm.elements.password.placeholder = '12345';
</script>
<script>
var loginForm = document.forms.user;
userForm.elements.email.placeholder = '123test@example.com';
userForm.elements.password.placeholder = '12345';
</script>
<script> var loginForm = document.forms.user; userForm.elements.email.placeholder = '123test@example.com'; userForm.elements.password.placeholder = '12345'; </script>
htmlコード
<form name="user">
<input name="email" type="email">
<input name="password" type="password">
<button type="submit">送信</button>
</form>
<form name="user">
<input name="email" type="email">
<input name="password" type="password">
<button type="submit">送信</button>
</form>
<form name="user"> <input name="email" type="email"> <input name="password" type="password"> <button type="submit">送信</button> </form>