delete multiple elements from array javascript code example

Example 1: javascript removing items looping through array

var colors=["red","green","blue","yellow"];
//loop back-words through array when removing items like so:
for (var i = colors.length - 1; i >= 0; i--) {
    if (colors[i] === "green" || colors[i] === "blue") { 
        colors.splice(i, 1);
    }
}
//colors is now  ["red", "yellow"]

Example 2: remove multiple values from array javascript

const nums = [1, 2, 3, 4, 5, 6];
const remove = [1, 2, 4, 6];

function removeFromArray(original, remove) {
  return original.filter(value => !remove.includes(value));
}

Example 3: js remove several elements from array

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

Example 4: js remove several elements from array

var ar = [1, 2, 3, 4, 5, 6];ar.pop(); // returns 6console.log( ar ); // [1, 2, 3, 4, 5]

Example 5: remove all mutliple items from array javascript

arr = [2, 2, 2, 1, 3, 3, 3,3, 4, 5];
arr = arr.sort().filter((item,i)=>!(arr[i] == arr[i+1] || arr[i-1]==arr[i]));
// this will remove all item which are repeating more then one
console.log(arr);
// [1, 4, 5]