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KyleMit/variadic-function.js

Created October 26, 2020 15:49
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Twitter - Variadic Function
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variadic-function.js
let checkValInList = (val, ignoreCase, ...list) => {
return ignoreCase
? list.some(el => el.toLowerCase() === val.toLowerCase())
: list.includes(val)
}
checkValInList("hello", true, "Hi", "Hello", "Howdy") // true
checkValInList("hello", false, "Hi", "Hello", "Howdy") // false
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