这是我有史以来的第一篇文章！因此，我目前正在在线学习前端Web开发。我遇到了一个问题！我正在尝试从用户HTML表单获取输入，并将这些值重新显示在HTML文档中。当我使用javascript工作时，但使用表单时却没有。
在codepen中查看我的代码：http://codepen.io/kevin1616/pen/KdOvwy
我的HTML
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Contact List</title>
</head>
<body>
<header>
<h1> ContactBook.com </h1>
</header>
<section id="body">
<form method="post">
<input type="text" id="name" ><br>
<input type="text" id="last" ><br>
<input type="text" id="phone" ><br>
<input type="text" id="address" ><br>
<input type="submit" id="create_new_contact" >
</form>
<ol id="people">
</ol>
</section>
<script src="js.js"></script>
</body>
</html>
我的JavaScript
// JavaScript Document
// CONTACTS CONTRUCTOR OBJECT
var contacts = function ( ) {
this.name = [];
this.lastName= [];
this.phoneNumber = [];
this.address= [];
};
contacts.prototype.add = function(name, last, number, address) {// Add method to add contacts
this.name.push(name);
this.lastName.push(last);
this.phoneNumber.push(number);
this.address.push(address);
}
contacts.prototype.toHTML = function (i) {// toHTML method formats how html will be displayed
var htmlString ="<li>";
htmlString +="<p>" + this.name[i] + "<p>";
htmlString +="<p>" + this.lastName[i] + "<p>";
htmlString +="<p>" + this.phoneNumber[i] + "<p>";
htmlString +="<p>" + this.address[i]+ "<p>";
htmlString +="</li>";
return htmlString;
};
contacts.prototype.renderElement = function (list) {// method for sending input to html
for ( var i=0; i < this.name.length; i++) {
list.innerHTML+= this.toHTML(i);
}
};
var addingContact = new contacts();// creating new instance of contructor
addingContact.add("Kevin", "Silvestre" ,"781 582 4449", "26 endicott st");// using the add method to add contacts to my list
var itemsTorender = document.getElementById("people");// select where in the html the elemtents will be rendered
addingContact.renderElement(itemsTorender);// render elements to html
最佳答案
您只需要一个函数，该函数在提交表单期间调用即可获取当时的表单数据并将其显示在列表中
function saveData(){
var name = document.getElementById("name").value;
var last = document.getElementById("last").value;
var phone = document.getElementById("phone").value;
var address = document.getElementById("address").value;
addingContact.add(name,last ,phone, address);// using
var itemsTorender = document.getElementById("people");// select where in the html
addingContact.renderElement(itemsTorender);// render elements to html
return false; // this will stop default submit of form (because by default form submit on "action" url if no action is define than on same page )
}
你需要这样称呼它
<form method="post" action="#" onsubmit="return saveData()">
Fiddle