javascript add new array element to start of array
var colors = ["white","blue"];
colors.unshift("red"); //add red to beginning of colors
// colors = ["red","white","blue"]
javascript add new array element to start of array
var colors = ["white","blue"];
colors.unshift("red"); //add red to beginning of colors
// colors = ["red","white","blue"]
push element to array to first place js
let arr = [4, 5, 6]
arr.unshift(1, 2, 3)
console.log(arr);
// [1, 2, 3, 4, 5, 6]
unshift method in javascript
var name = [ "john" ];
name.unshift( "charlie" );
name.unshift( "joseph", "Jane" );
console.log(name);
//Output will be
[" joseph "," Jane ", " charlie ", " john "]
how to push at top of array
const array = [3, 2, 1]
const newFirstElement = 4
const newArray = [newFirstElement].concat(array) // [ 4, 3, 2, 1 ]
console.log(newArray);
prepend to js array
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]
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