Answers for "js array add to beginning"

javascript push item to beginning of array

var colors = ["white","blue"];
colors.unshift("red"); //add red to beginning of colors
// colors = ["red","white","blue"]

js add element to front of array

//Add element to front of array
var numbers = ["2", "3", "4", "5"];
numbers.unshift("1");
//Result - numbers: ["1", "2", "3", "4", "5"]

How can I add new array elements at the beginning of an array in JavaScript?

var arr = [23, 45, 12, 67];
arr = [34, ...arr]; // RESULT : [34,23, 45, 12, 67]

console.log(arr)

how add element at beginning of array in javascript using splice

Array.splice(position,0,new_element_1,new_element_2,...);
Code language: JavaScript (javascript)