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39 lines
1.1 KiB
Markdown
39 lines
1.1 KiB
Markdown
## Web Storage API
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As of Deno 1.10, the Web Storage API (`localStorage` & `sessionStorage`) was
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introduced, which through `localStorage` allows persistent storage, whereas
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`sessionStorage` is a non-persistent memory-based storage.
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To use persistent storage, you need to pass the `--location` flag. The location
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for persistent storage is listed in `deno info`, and additionally passing the
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`--location` will give you the path for the specified origin.
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To learn more about the Web Storage APIs, visit the
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[MDN page on Web Storage](https://developer.mozilla.org/en-US/docs/Web/API/Storage).
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### Example
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The following snippet accesses the local storage bucket for the current origin
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and adds a data item to it using `setItem()`.
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```ts
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localStorage.setItem("myDemo", "Deno App");
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```
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The syntax for reading the localStorage item is as follows:
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```ts
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const cat = localStorage.getItem("myDemo");
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```
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The syntax for removing the localStorage item is as follows:
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```ts
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localStorage.removeItem("myDemo");
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```
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The syntax for removing all the localStorage items is as follows:
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```ts
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localStorage.clear();
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```
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