域内安全、永久保存。即客户端或浏览器中来自同一域名的所有页面都可访问localStorage数据且数据除了删除否则永久保存,但客户端或浏览器之间的数据相互独立。
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> </body></html><script type="text/javascript"> localStorage.setItem("coffeeType", "mocha"); //存储 var data = localStorage.getItem("coffeeType"); //读取 console.log(data); localStorage.removeItem("coffeeType"); //删除 var data2 = localStorage.getItem("coffeeType"); //读取 console.log(data2); localStorage.clear(); //清空保存的所有数据 localStorage.setItem("haha", "123"); //存储</script>
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <button onclick="read();">读取</button></body></html><script type="text/javascript"> function read(){ var data = localStorage.getItem("haha"); //读取 alert(data); } </script>
还没有人抢沙发呢~