chrome-console-load-jquery.js

var jq = document.createElement('script');
jq.src = "//code.jquery.com/jquery-latest.min.js";
document.getElementsByTagName('head')[0].appendChild(jq);

!function () {
  var script = document.createElement("script");
  script.setAttribute("src", "//code.jquery.com/jquery-2.0.0.min.js");
  document.body.appendChild(script);
}();


$( "li" ).each(function( index ) {
  console.log( index + ": " + $( this ).text() );
});