Answers for "javascript array remove multiple elements"

11

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"]
Posted by: Guest on August-02-2019
1

js remove several elements from array

var ar = ['zero', 'one', 'two', 'three'];ar.shift(); // returns "zero"console.log( ar ); // ["one", "two", "three"]
Posted by: Guest on July-10-2020
0

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;
}
Posted by: Guest on July-05-2021
-1

js remove several elements from array

var arr1 = [1, 2, 3, 4, 5, 6];var arr2 = arr1; // Reference arr1 by another variable arr1 = [];console.log(arr2); // Output [1, 2, 3, 4, 5, 6]
Posted by: Guest on July-10-2020

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