sort multidimensional array javascript
var arr = [[12, 'AAA'], [12, 'BBB'], [12, 'CCC'],[28, 'DDD'], [18, 'CCC'],[12, 'DDD'],[18, 'CCC'],[28, 'DDD'],[28, 'DDD'],[58, 'BBB'],[68, 'BBB'],[78, 'BBB']];
arr.sort(function(a,b) {
return a[0]-b[0]
});sort multidimensional array javascript
var arr = [[12, 'AAA'], [12, 'BBB'], [12, 'CCC'],[28, 'DDD'], [18, 'CCC'],[12, 'DDD'],[18, 'CCC'],[28, 'DDD'],[28, 'DDD'],[58, 'BBB'],[68, 'BBB'],[78, 'BBB']];
arr.sort(function(a,b) {
return a[0]-b[0]
});javascript merge multidimensional array
const _questions = _.map(this.sections, section => section.questions);
const questions = Array.prototype.concat.apply([], _questions);Copyright © 2021 Codeinu
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