Answers for "insert data into specific index in array javascript"

20

insert into specific array index

var colors=["red","blue"];
var index=1;

//insert "white" at index 1
colors.splice(index, 0, "white");   //colors =  ["red", "white", "blue"]
Posted by: Guest on July-22-2019
0

How To Insert An Item Into An Array At A Specific Index In JavaScript

var arr = [];
arr[0] = "Apple";
arr[1] = "Grape";
arr[2] = "Pear";
arr[3] = "Peach";
arr[4] = "Grapefruit";

console.log(arr.join()); // Apple,Grape,Pear,Peach,Grapefruit
arr.splice(2, 0, "Orange");
console.log(arr.join()); // Apple,Grape,Orange,Pear,Peach,Grapefruit
Posted by: Guest on September-25-2021

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