1var colors = ["red","blue","car","green"];
2var carIndex = colors.indexOf("car");//get  "car" index
3//remove car from the colors array
4colors.splice(carIndex, 1); // colors = ["red","blue","green"]

1var data = [1, 2, 3];
2
3// remove a specific value
4// splice(starting index, how many values to remove);
5data = data.splice(1, 1);
6// data = [1, 3];
7
8// remove last element
9data = data.pop();
10// data = [1, 2];

1const index = array.indexOf(item);
2if (index !== -1) array.splice(index, 1);

1const array = [1, 2, 3];
2const index = array.indexOf(2);
3if (index > -1) {
4  array.splice(index, 1);
5}

1$input = array("item 2", "item 4");
2$key = array_search('item 2', $input);
3if($key!==false){
4    unset($input[$key]);
5}
6var_dump($input);
7

1const array = [2, 5, 9];
2
3console.log(array);
4
5const index = array.indexOf(5);
6if (index > -1) {
7  array.splice(index, 1);
8}
9
10// array = [2, 9]
11console.log(array); 
12 Run code snippet