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"]javascript array insert at 0
let myArray = [1,2,3];
myArray.unshift(0);
console.log(myArray); // [0,1,2,3]prepend to array javascript
// Build an array of test data.
var data = [ "X" ];
// Unshift data onto the array. Unshift() prepends elements to
// the beginning of the given array. Note that it can take more
// than one argument. In the output, notice that when unshift()
// takes multiple arguments, they are prepended in a right-to-left
// order (mimicing their appearence in the arguments list).
data.unshift( "A" );
data.unshift( "B", "C" );
// Output resultant array.
console.log( data );javascript unshift
let array = ["A", "B"];
let variable = "what you want to add";
//Add the variable to the beginning of the array
array.unshift(variable);
//===========================
console.log(array);
//output =>
//["what you want to add" ,"A", "B"]push at first index typescript
var a = [23, 45, 12, 67];
a.unshift(34);
console.log(a); // [34, 23, 45, 12, 67]Copyright © 2021 Codeinu
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