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CODE EXAMPLE FOR JAVASCRIPT

map in javascript

//map is higher order function 
const names= ["Shirshak","SabTech","Fiverr"]
const newNames= names.map(function(name){
 console.log(video)
})
console.log(newVideos) //(3) [undefined, undefined, undefined]
//map always try to return somethings if we don't return we get undefined.

//map is used for modification,copy of array.
//copy of array using map
const newNames= names.map(function(name){
return name;
})
Source by developer.mozilla.org #
 
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Tagged: #map #javascript
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