how to delete values from array in javascript code example

Example 1: remove a particular element from array

var colors = ["red","blue","car","green"];
var carIndex = colors.indexOf("car");//get  "car" index
//remove car from the colors array
colors.splice(carIndex, 1); // colors = ["red","blue","green"]

Example 2: find and delete element from array js

const array = [2, 5, 9];

console.log(array);

const index = array.indexOf(5);
if (index > -1) {
  array.splice(index, 1);
}

// array = [2, 9]
console.log(array);

Example 3: how to remove a value from an array and return the new array in javascript

var arr = [1, 2, 3, 4, 5, 5, 6, 7, 8, 5, 9, 0];
    
    for( var i = 0; i < arr.length; i++){ 
                                   
        if ( arr[i] === 5) { 
            arr.splice(i, 1); 
            i--; 
        }
    }

    //=> [1, 2, 3, 4, 6, 7, 8, 9, 0]