load any js library into developers console using fetch

load_libs_in_console.js

// load angular
fetch('https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular.min.js')
    .then(response => response.text())
    .then(text => eval(text))

// load $
fetch('http://code.jquery.com/jquery-2.1.0.js')
    .then(response => response.text())
    .then(text => eval(text))

// load _
fetch('http://underscorejs.org/underscore.js')
    .then(response => response.text())
    .then(text => eval(text))

// load moment
fetch('https://momentjs.com/downloads/moment.js')
    .then(response => response.text())
    .then(text => eval(text))

// load moment-range
// https://cdnjs.com/libraries/moment-range
fetch('https://cdnjs.cloudflare.com/ajax/libs/moment-range/3.0.3/moment-range.js')
    .then(response => response.text())
    .then(text => eval(text))