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TA贡献1860条经验 获得超9个赞
您没有清除您的setCustomValidity()。如果您使用 setCustomValidity() 设置值,则该字段无效。只需将此类属性添加到您的输入标记即可:
oninput="setCustomValidity('')"
已在您的代码中修复:
<form class="user" action="code_user.php" method="POST">
<div class="form-group">
<label>Enter Full Name</label>
<input class="form-control" pattern="^[a-zA-Z]+(( )+[a-zA-z]+)*$" oninvalid="setCustomValidity('Please enter in alphabets only. ')" oninput="setCustomValidity('')" type="text" name="name" autocomplete="off" required />
</div>
<button type="submit" id="submit"name="signup_btn"class="btn btn-primary btn-user btn-block"> Sign Up </button>
</form>
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