JSFiddle - React, Tailwind, and code Playground

by janetyc

JavaScript

var myArray = [];

function Box() {
  this.id = 0;
}

for(var i =0; i<5;i++){
    var r = new Box();
    r.id = myArray.length;
    myArray.push(r);
}

delete myArray[1]; // or myArray.slice(1,1);
console.log(myArray)

//------------

var myArray2 = ['a', 'b', 'c', 'd'];
console.log(myArray2)
delete myArray2[1]; //  or myArray.splice (1, 1);
console.log(myArray2)
myArray2.splice (2, 1);
console.log(myArray2)