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JS access cookie example

2022-07-27 07:50:00 【Running lion a】

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script src="js/jquery-2.2.1.min.js"></script>
<body>
    <input id="username" />
    <button id="write"> assignment cookie</button>
    <button id="read"> Value cookie</button>
    <span id="cookie"></span>
</body>
</html>
<script> $("#write").click(()=>{
       let username = $("#username").val(); console.log(username); setCookie("userName",username,1); }) $("#read").click(()=>{
       //cookie Value ： var cookie = getCookie("userName"); console.log(cookie) $("#cookie").html(cookie); }) /** *  default cookie Write method  * @param name cookie Of key  Example ：userName * @param value cookie Of value  Example ： Zhang San  * @param time cookie Storage time , With ' God ' In units of   Example ：1 */ function setCookie(name,value,time){
       var Days = time; var exp = new Date(); exp.setTime(exp.getTime() + Days*24*60*60*1000); document.cookie = name + "="+ encodeURI (value) + ";expires=" + exp.toGMTString()+";path=/"; } /** *  obtain Cookie The value in  * @param objName * @returns */ function getCookie(objName){
      // Gets the... Of the specified name cookie Value  var arrStr = document.cookie.split("; "); for (var i = 0; i < arrStr.length; i++) {
       var temp = arrStr[i].split("="); if (temp[0] == objName){
       return decodeURI(temp[1]); } } } </script>

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JS access cookie example

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