JSFiddle - React, Tailwind, and code Playground

by Sajeetharan Sinnathurai

HTML

<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.4/underscore-min.js&quot;"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.4/underscore-min.js"></script>

JavaScript

var array1 = [[1],[2],[3],[4],[5]];
var array2 = ["a", "b"];
var array3 = [{name : "John"}, {age : 21}];
var array4 = [1,2,3,4,5,6,7,8,9,0];

var array5 = [array4, array3, array2, array1];

var arrayComboLength = function(array){
return _.reduce(array, function(a,b){
    return a.length + b.length;
});
}


console.log(arrayComboLength(array5));