how to merge multiple arrays in javascript code example
Example 1: javascript concat two arrays
//ES6
const array3 = [...array1, ...array2];
Example 2: concatenate multiple arrays javascript
const array1 = ['a', 'b', 'c'];
const array2 = ['d', 'e', 'f'];
const array3 = [...array1, ...array2];
console.log(array3);
// expected output: Array ["a", "b", "c", "d", "e", "f"]
Example 3: javascript merge multidimensional array
const _questions = _.map(this.sections, section => section.questions);
const questions = Array.prototype.concat.apply([], _questions);