[英]Can't get cookies to save in form using JavaScript. New to Javascript
嗨,我是JavaScript新手,正在從事一個項目。 提交表單,返回頁面然后刷新時,我試圖保存cookie。 我可以將其保存在Firefox和Edge中,但不能保存在chrome中。 有人能告訴我我想念的東西嗎?
Javacript:
"use strict";
function processCookie(){
if(document.getElementById("rememberInput").checked){
document.cookie = "username=" + document.getElementById("usernameinput").value;
}else{
var expiresDate = new Date();
expiresDate.setDate(expiresDate.getDate - 7);
document.cookie = "username=null; expires" + expiresDate.toUTCString();
}
}
function populateInfo(){
if(document.cookie){
var uname = document.cookie;
uname = uname.substring(uname.lastIndexOf("=") + 1);
document.getElementById("usernameinput").value = uname;
}
}
function handleSubmit(var evt ){
if(evt.preventDefault){
evt.preventDefault();
}else{
evt.returnValue = false;
}
processCookie();
document.getElementsByTagName("form")[0].submit();
}
function createEventListener(){
var loginForm = document.getElementsByTagName("form")[0];
if(loginForm.addEventListener){
loginForm.addEventListener("submit",handleSubmit,false);
}else if(loginForm.attachEvent){
loginForm.attachEvent("onsubmit",handleSubmit,false);
}
}
function setUpPage(){
populateInfo();
createEventListener();
}
if(window.addEventListener){
window.addEventListener("load",setUpPage,false);
}else if(window.attachEvent){
window.attachEvent("onload",setUpPage);
}
HTML:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta id="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0">
<title>Hands-on Project 9-2</title>
<link rel="stylesheet" href="styles.css" />
<script src="modernizr.custom.65897.js"></script>
</head>
<body>
<header>
<h1>
Hands-on Project 9-3
</h1>
</header>
<article>
<div id="errorMessage"></div>
<form action="results.htm">
<fieldset id="deliveryinfo">
<legend>Site Login</legend>
<label for="usernameinput">Username</label>
<input type="text" id="usernameinput" name="username" />
<label for="passwordinput">Password</label>
<input type="password" id="passwordinput" name="password" />
<input type="checkbox" id="rememberinput" name="remember" value="remember" />
<label for="rememberinput" id="rememberlabel">Remember me</label>
</fieldset>
<fieldset id="submitbutton">
<input type="submit" id="submitBtn" value="Login" />
</fieldset>
</form>
</article>
<script src="script.js"></script>
</body>
</html>
再次感謝您提供的任何幫助。
我建議您使用此庫js cookie,這將幫助您輕松管理cookie。
Cookies.set('name', 'value', { expires: 7 });
Cookies.get('name');
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