JSFiddle - React, Tailwind, and code Playground

by fresheyeball

JavaScript

var arr = ['123', '456', '789'],
		i = 0,
    a = 0,
    result = [];

for(i; i < arr.length; i++){
	var nVal = arr[i].slice(0,1);
  var num = parseInt(nVal);
  
  var sum = num * num;

	console.log(sum);
  debugger
  result.push(sum);

}
alert(sum);
alert(result);