JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = ['ListingModel', 'ListingModel', 'ListingModel', 'ListingModel', 'ListingModel', 'ListingModel'];
var groupedData = [];

for(var i = 0; i < data.length; i+=2){
    groupedData.push([data[i], data[i+1]]);
}

console.log(groupedData);