2017-07-11 23:26:17 0 Comments JavaScript Boy.Lee

Javascript Array Copy Methods Suggestion

{ Slice }

let sourceArr = [1, 2, 3]
let copyArr = []
copyArr = sourceArr.slice()

 

{ Concat }

let sourceArr = [1, 2, 3]
let copyArr = []
copyArr = sourceArr.concat()

 

{ Result }

concat is better, faster and stabler