老师，为什么没有效果
来源：4-15 编程练习
小铁门战神
2019-03-23 13:54:49
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
.oneline {
line-height: 1.5;
margin: 10px auto;
}
.oneline label {
width: 100px;
text-indent: 15px;
font-size: 14px;
font-family: "Microsoft Yahei";
display: inline-block;
}
.oneline .sinput {
width: 60%;
height: 30px;
border-radius: 6px;
border: 1px solid #e2e2e2;
}
.oneline input[type="submit"] {
margin-left: 20px;
width: 80px;
height: 30px;
border: 0;
background-color: #5899d0;
color: #fff;
font-size: 14px;
border-radius: 6px;
}
.error-messages {
color: red;
}
</style>
</head>
<body>
<form id="forms">
<div class="oneline">
<label for="name">用户名:</label>
<input id="name" class="sinput" name="name" type="text" required>
</div>
<div class="oneline">
<label for="email">Email:</label>
<input id="email" class="sinput" name="email" type="email" required>
</div>
<div class="oneline">
<input type="submit" id="submits" value="提交">
</div>
</form>
<script>
function replaceValidationUI(form) {
form.addEventListener("invalid", function(event) {
event.preventDefault();
}, true);
form.addEventListener("submit", function(event) {
if (!this.checkValidity()) {
event.preventDefault();
}
});
//此处写代码
var submitBtn=document.getElementById("submits");
submitBtn.addEventListener("click",function(event){
var inValidityField=form.querySelectorAll(":invalid"),
errorMessage=form.querySelectorAll(".error-messages"),
parent;
for(var i=0;i<errorMessage.length;i++){
errorMessage[i].parentNode.removeChild(errorMessage[i]);
}
for(var i=0;i<inValidityField.length;i++){
parent=inValidityField[i].parentNode;
parent.insertAdjacentHTML("afterbegin","<div class='error-messages'"+inValidityField[i].validationMessage+"</div>");
}
if (invalidFields.length > 0) {
invalidFields[0].focus();
}
})
}
var forms = document.getElementById("forms");
replaceValidationUI(forms);
</script>
</body>
</html>
1回答
-
Miss路
2019-03-24
同学，你好。
粗心的问题，单词写错了：
以后要细心一点，老师课程中讲过的还因为这种错误是不可原谅的。
如果帮助到了你，欢迎采纳！
祝学习愉快！
0
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