splice javascript remove element code example
Example 1: remove one element using splice
fruits = ['Banana', 'Orange', 'Apple', 'Mango'];
removeFruitByIndex(index: number) {
this.fruits = [
...this.fruits.slice(0, i),
...this.fruits.slice(i + 1, this.fruits.length),
];
}
removeFruitByValue(fruite: string) {
const i = this.descriptionsList.indexOf(fruite);
this.fruits = [
...this.fruits.slice(0, i),
...this.fruits.slice(i + 1, this.fruits.length),
];
}
Example 2: remove from array javascript
let numbers = [1,2,3,4]
let last_num = numbers.pop();
let first_num = numbers.shift();
let number_index = 1
let index_num = numbers.splice(number_index,1);
Example 3: splice method js
let myFish = ['angel', 'clown', 'mandarin', 'sturgeon']
let removed = myFish.splice(2, 0, 'drum')
Example 4: splice from array javascript to remove
let myFish = ['angel', 'clown', 'drum', 'mandarin', 'sturgeon']
let removed = myFish.splice(3, 1)