I have a one-dimensional array of integer in JavaScript that I'd like to add data from comma separated string, Is there a simple way to do this?
e.g : var strVale = "130,235,342,124 ";
4 Answers
You can split and then use parseInt to convert it into integer array.
//get this from localStorage
var strValue = "130,235,342,124";
var res = strValue.split(',').map(x=>{return parseInt(x)});
console.log(res);
Comments
Is there a simple way to do that? Yes!
Just use 2 simple functions: concat and split:
var str = "130,235,342,124";
var arr = [1,2,3];
arr = arr.concat(str.split(','));
//result:
//arr = ["1", "2", "3", "130", "235", "342", "124"];
EDIT:
for integer arrays (just add map function):
var str = "130,235,342,124";
var arr = [1,2,3];
arr = arr.concat(str.split(',').map(Number));
//result:
//arr = [1, 2, 3, 130, 235, 342, 124];
Comments
You can use javascript split function like:
var strVal = "130,235,342,124";
console.log(strVal.split(','));
Comments
Beside the fact you can use myValues.split(",") to get the array - one common use of localStorage is to store your array as String like:
var myArray = [130,235,342,124];
// Send Array to localStorage:
localStorage.myStuff = JSON.stringify( myArray );
// Get Array from localStorage
myArray = JSON.parse( localStorage.myStuff );
Another common fallback to empty array on application init is:
// get array from localStorage or set to empty array:
var myArray = JSON.parse( localStorage.myStuff || "[]" );
strVale.split(',')will give you an array of values