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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html5中LocalStorage本地存储的示例
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localStorage与sessionStorage五种循序渐进的使用方法
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