javascript map using index code example

Example: map javascript index

// Arrow function
map((element) => { ... } )
map((element, index) => { ... } )
map((element, index, array) => { ... } )

// Callback function
map(callbackFn)
map(callbackFn, thisArg)

// Inline callback function
map(function callbackFn(element) { ... })
map(function callbackFn(element, index) { ... })
map(function callbackFn(element, index, array){ ... })
map(function callbackFn(element, index, array) { ... }, thisArg)

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