if(!window.localStorage){ alert("浏览器支持localstorage"); return false; }else{ //主逻辑业务 }
if(!window.localStorage){ alert("浏览器支持localstorage"); return false; }else{ var storage=window.localStorage; //写入a字段 storage["a"]=1; //写入b字段 storage.a=1; //写入c字段 storage.setItem("c",3); console.log(typeof storage["a"]); console.log(typeof storage["b"]); console.log(typeof storage["c"]); }
if(!window.localStorage){ alert("浏览器支持localstorage"); }else{ var storage=window.localStorage; //写入a字段 storage["a"]=1; //写入b字段 storage.a=1; //写入c字段 storage.setItem("c",3); console.log(typeof storage["a"]); console.log(typeof storage["b"]); console.log(typeof storage["c"]); //第一种方法读取 var a=storage.a; console.log(a); //第二种方法读取 var b=storage["b"]; console.log(b); //第三种方法读取 var c=storage.getItem("c"); console.log(c); }
if(!window.localStorage){ alert("浏览器支持localstorage"); }else{ var storage=window.localStorage; //写入a字段 storage["a"]=1; //写入b字段 storage.b=1; //写入c字段 storage.setItem("c",3); console.log(storage.a); // console.log(typeof storage["a"]); // console.log(typeof storage["b"]); // console.log(typeof storage["c"]); /*分割线*/ storage.a=4; console.log(storage.a); }
var storage=window.localStorage; storage.a=1; storage.setItem("c",3); console.log(storage); storage.clear(); console.log(storage);
var storage=window.localStorage; storage.a=1; storage.setItem("c",3); console.log(storage); storage.removeItem("a"); console.log(storage.a);
var storage=window.localStorage; storage.a=1; storage.setItem("c",3); for(var i=0;i<storage.length;i++){ var key=storage.key(i); console.log(key); }
if(!window.localStorage){ alert("浏览器支持localstorage"); }else{ var storage=window.localStorage; var data={ name:'xiecanyong', sex:'man', hobby:'program' }; var d=JSON.stringify(data); storage.setItem("data",d); console.log(storage.data); }
var storage=window.localStorage; var data={ name:'xiecanyong', sex:'man', hobby:'program' }; var d=JSON.stringify(data); storage.setItem("data",d); //将JSON字符串转换成为JSON对象输出 var json=storage.getItem("data"); var jsonObj=JSON.parse(json); console.log(typeof jsonObj);
打印出来是Object对象
另外还有一点要注意的是,其他类型读取出来也要进行转换
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