0
Q:

how to remove an item from an array in javascript

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"]
14
//using filter method
let itemsToBeRemoved = ["Sunday", "Monday"]
var filteredArray = myArray.filter(item => !itemsToBeRemoved.includes(item))
5
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
var removed = arr.splice(2,2);
/*
removed === [3, 4]
arr === [1, 2, 5, 6, 7, 8, 9, 0]
*/
14
pop - Removes from the End of an Array.
shift - Removes from the beginning of an Array.
splice - removes from a specific Array index.
filter - allows you to programatically remove elements from an Array.
1
var inputArray = [5, 2, 7, 24, 75];
var valueToRemove = 7;
var outputArray = [];
for (let i = 0; i < inputArray.length; i++) {
  if (inputArray[i] !== valueToRemove) {
    outputArray.push(inputArray[i]);
  }
}
console.log(outputArray); // [5, 2, 24, 75]
-1
let items = [12, 548 ,'a' , 2 , 5478 , 'foo' , 8852, , 'Doe' ,2154 , 119 ]; 
items.length; // return 11 
items.splice(3,1) ; 
items.length; // return 10 
/* items will be equal to [12, 548, "a", 5478, "foo", 8852, undefined × 1, "Doe", 2154,       119]   */
0
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];var removed = arr.splice(2,2);/*removed === [3, 4]arr === [1, 2, 5, 6, 7, 8, 9, 0]*/
0

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