loadscript.js

/**
 *  Simple node.js style script loader for modern browsers
 **/
function loadScript(src, cb) {
  var script = document.createElement('script');
  script.async = true;
  script.src = src;

  script.onerror = function() {
    cb(new Error("Failed to load" + src));
  };

  script.onload = function() {
    cb();
  };

  document.getElementsByTagName("head")[0].appendChild(script);
}

module.exports = loadScript;

// one line loadScript for console shortcut execute.
function loadScript(n,e){var o=document,t=o.createElement("script");e=e||function(){},t.async=!0,t.src=n,t.onerror=function(){e(new Error("Failed to load"+n))},t.onload=function(){e()},o.getElementsByTagName("head")[0].appendChild(t)}

loadScript('//s1.hitv.com/libs/??jquery/1.12.4/jquery.min.js');