我的案例:localStorage键+值，当浏览器关闭时应该删除，而不是单个选项卡。
请看看我的代码，如果它是正确的和什么可以改进:
//创建localStorage key + value if (localStorage) { localStorage。myPageDataArr = { "name" => "Dan"， "lastname" => "Bonny" }; ｝ //当浏览器关闭时- psedocode $(窗口).unload(函数(){ localStorage。myPageDataArr = undefined; })；
当前回答
for (let i = 0; i < localStorage.length; i++) {
if (localStorage.key(i).indexOf('the-name-to-delete') > -1) {
arr.push(localStorage.key(i));
}
}
for (let i = 0; i < arr.length; i++) {
localStorage.removeItem(arr[i]);
}
其他回答
试着用
$(window).unload(function(){
localStorage.clear();
});
希望这对你有用
if(localStorage.getItem("visit") === null) {
localStorage.setItem('visit', window.location.hostname);
console.log(localStorage.getItem('visit'));
}
else if(localStorage.getItem('visit') == 'localhost'){
console.log(localStorage.getItem('visit'));
}
else {
console.log(localStorage.getItem('visit'));
}
$(document).ready(function(){
$("#clickme").click(function(){
localStorage.setItem('visit', '0');
});
});
window.localStorage.removeItem('visit');
您可以简单地使用sessionStorage。因为sessionStorage允许在浏览器窗口关闭时清除所有键值。
看这里:SessionStorage- MDN
下面是一个简单的测试，看看你在使用本地存储时是否有浏览器支持:
if(typeof(Storage)!=="undefined") {
console.log("localStorage and sessionStorage support!");
console.log("About to save:");
console.log(localStorage);
localStorage["somekey"] = 'hello';
console.log("Key saved:");
console.log(localStorage);
localStorage.removeItem("somekey"); //<--- key deleted here
console.log("key deleted:");
console.log(localStorage);
console.log("DONE ===");
} else {
console.log("Sorry! No web storage support..");
}
它为我工作如预期(我使用谷歌Chrome)。 改编自:http://www.w3schools.com/html/html5_webstorage.asp。
与window global关键字一起使用:-
window.localStorage.removeItem('keyName');
