javascript - How to use mapping to transfer things to an empty array? -
i trying pass on function inside of variable inputone empty array of transferhere this not seem working. how can map inside of inputone transferhere, transferred over? var transferhere = []; var inputone = transferhere.map(function(name) { return (5 * name) - 20; }); the map function iterates on array of values , generates new array of values. for example: var arr1 = [1,2,3]; var result = arr1.map(function(val){ return val + 1; }); //result be: [2,3,4] so seems doing wrong , code should (assuming inputone array): var transferhere= inputone.map(function(name) { return (5 * name) - 20; }); update: from comment understand inputone function , want put it's actual content (i.e. string) in array, here how: var arr1 = []; arr1.push(inputone.tostring());