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# sessionStorage
store a value `sessionStorage["key"] = "value";`
## Store multiple values
- to store values "one", "two", "three"
store as follows : `sessionStorage['key"] = ["one", "two", "three"];`
- to retrieve multiple values stored use as follows
`var array = sessionStorage["key"].toString().split(",");`
## Integer values
Integer values are not directly accessible without any conversion. So they should be converted as follows
- var id = Number(String(sessionStorage["key"]));
## Check if key exists/ data is already availble (only case when tab is reloaded)
`if (sessionStorage["idd"]) console.log("exists");`
[sessionStorage Reference](https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage)
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