JSFiddle - React, Tailwind, and code Playground

JavaScript

var newArray = [];
var locationsArray = [
    ['title1', 'description1', '12'],
    ['title2', 'description2', '7'],
    ['title3', 'description3', '57']
];

for (var i = 0; i < locationsArray.length; i++) {
    if (parseInt(locationsArray[i][2], 10) > 10) {
        newArray.push([locationsArray[i][0], locationsArray[i][1]]);
        }
    }

    alert(newArray);