JSFiddle - React, Tailwind, and code Playground

HTML

<p id="p1" />

JavaScript

var dictionary = {
    "12Jan2013": [{
        "id": "0",
        "name": "ABC"
    }, {
        "id": "1",
        "name": "DEF"
    }],
    "13Jan2013": [{
        "id": "0",
        "name": "PQR"
    }, {
        "id": "1",
        "name": "XYZ"
    }]
};

var result = document.getElementById("p1");

for(var i in dictionary) {
    result.innerHTML += i + " : ";
    for (n=0; n<dictionary[i].length; n++) {
        result.innerHTML += "(id = " + dictionary[i][n].id + ", name = " + dictionary[i][n].name + ") ";
    }
    result.innerHTML += "<br />"
}