javascript pushing to an array
some_array = ["John", "Sally"];
some_array.push("Mike");
console.log(some_array); //output will be =>
["John", "Sally", "Mike"]javascript pushing to an array
some_array = ["John", "Sally"];
some_array.push("Mike");
console.log(some_array); //output will be =>
["John", "Sally", "Mike"]javascript insert item into array
var colors=["red","blue"];
var index=1;
//insert "white" at index 1
colors.splice(index, 0, "white"); //colors = ["red", "white", "blue"]insert element at beginning of array javascript
// Use unshift method if you don't mind mutating issue
// If you want to avoid mutating issue
const array = [3, 2, 1]
const newFirstElement = 4
const newArray = [newFirstElement].concat(array) // [ 4, 3, 2, 1 ]
console.log(newArray);Copyright © 2021 Codeinu
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