javascript remove from array by index
//Remove specific value by index
array.splice(index, 1);javascript remove from array by index
//Remove specific value by index
array.splice(index, 1);javascript array remove element
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"]how to remove element from 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"]remove item at index in array javascript
// remove element at certain index without changing original
let arr = [0,1,2,3,4,5]
let newArr = [...arr]
newArr.splice(1,1)//remove 1 element from index 1
console.log(arr) // [0,1,2,3,4,5]
console.log(newArr)// [0,2,3,4,5]js remove element from array
function removeItemOnce(arr, value) {
var index = arr.indexOf(value);
if (index > -1) {
arr.splice(index, 1);
}
return arr;
}
function removeItemAll(arr, value) {
var i = 0;
while (i < arr.length) {
if (arr[i] === value) {
arr.splice(i, 1);
} else {
++i;
}
}
return arr;
}
// Usage
console.log(removeItemOnce([2,5,9,1,5,8,5], 5))
console.log(removeItemAll([2,5,9,1,5,8,5], 5))remove element from array javascript
let numbers = [1,2,3,4]
// to remove last element
let last_num = numbers.pop();
// numbers will now be [1,2,3]
// to remove first element
let first_num = numbers.shift();
//numbers will now be [2,3]
// to remove at an index
let number_index = 1
let index_num = numbers.splice(number_index,1); //removes 1 element at index 1
//numbers will now be [2]
//these methods will modify the numbers array and return the removed elementCopyright © 2021 Codeinu
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