how to delete multiple elements from an array 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 Â ["red", "yellow"]

Example 2: 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]

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