| 方法名称 |
说明 |
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| .setItem（name,value） |
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| .getItem(name) |
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| .removeItem(name) |
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| .clear() |
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| .length |
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示例
var storage=window.localStorage;
storage["a"]=1;
storage.setItem("c",3);
console.logstorage.a);
//第二种方法读取
console.log(storage["b"]);
//第三种方法读取
console.log(storage.getItem("c"));
