extract info on any website from DOM inserting jQuery on console

mini_scrapping.js

var jq = document.createElement('script');
jq.src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js";
document.getElementsByTagName('head')[0].appendChild(jq);
// ... give time for script to load, then type (or see below for non wait option)
jQuery.noConflict();


var lista = '';
$("._jpemon").find("li").each(function() {
    var src = $("img", this).prop("src");
    lista += "'"+src+"',";
});
console.log(lista)

$("li").(function(){
    alert($(this).text())
});