Inject Jquery to website through console

jqueryGetText.js

$("p, h1, h2, h3, h4, h5, span").each(function() {
	$(this).on("mouseenter", function() {
		$(this).css("background-color", "#F1A9A2");
	$(this).on("mouseleave", function() {
		$(this).css("background-color", "");
    });
    });
	$(this).on("click", function() {
		console.log($(this).text());
    });
})

jqueryInject.js

javascript: (function(e, s) {
    e.src = s;
    e.onload = function() {
        jQuery.noConflict();
        console.log('jQuery injected');
    };
    document.head.appendChild(e);
})(document.createElement('script'), '//code.jquery.com/jquery-latest.min.js')