Answers for "javascript remove multiple items from array by index"

javascript remove multiple items from 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"]

remove multiple elements from array es6

const colors=["red","green","blue","yellow"];
let index = colors.length - 1;
while (index >= 0) {
  	if (['green', 'blue'].indexOf(colors[index]) > (-1)) {
    	colors.splice(index, 1);
  	}
  	index -= 1;
}