JAVASCRIPT

javascript Convert an array of strings to numbers

const toNumbers = arr => arr.map(Number);
toNumbers(['1', '2', '3','4']);     // [1, 2, 3, 4]

js how to convert all string in array into integer

array = ['1','2','3']
arrayInt = array.map(Number)
//arrayInt = [1,2,3]

string array to number array javascript

const stringArr = ["5", "4", "6", "2"];

const numArr = stringArr.map((item) => parseInt(item, 10));