<!DOCTYPE>
<html>
<head>
<meta http-equiv=Content-Type content="text/html; charset=utf-8"/>
<script type="text/javascript">
window.onload = function() {
var oText = document.getElementById("text");
var oButton = document.getElementById("button");
addHandler(oButton, "click", function() {
setCookie(oText.id, oText.value, 7);
console.log(getCookie(oText.id));
removeCookie(oText.id);
console.log(getCookie(oText.id));
})
}
function setCookie(name, text, day) {
var oDate = new Date();
oDate.setDate(oDate.getDate() + day);
document.cookie = name + ‘=‘ + text + ‘; expires =‘ + oDate;
}
function getCookie(name) {
var arr = document.cookie.split(";");
for(var i = 0; i < arr.length; i++) {
var arr1 = arr[i].split("=");
if(arr1[i] == name) {
return arr1[1];
}
}
}
function removeCookie(name) {
setCookie(name, "", -1);
}
function addHandler(element, type, handler) {
if(element.addEventListener) {
element.addEventListener(type, handler, false);
}else if (element.attachEvent) {
element.attachEvent("on" + type, handler);
}else {
element["on" + type] = handler;
}
}
</script>
</head>
<body>
<input type="text" id="text" />
<input type="button" id="button" value="提交"/>
</body>
</html>
需要运行在服务器上。
原文：http://www.cnblogs.com/pcd12321/p/5227451.html