jquery_quiz.js

/* Here is your chance to take over Socrates!  


Spend 10 minutes on each of the following hacks to the socrates website.
Enter them in the console to make sure it works and then save
your results here. 

Choose a new pair for each. Add your names to the section you complete.
*/

/*1. Use basic selectors (id, class, element) to choose an element on the page.
     Use the .css() method to alter at least two CSS properties of this element. */

$("#toc_0").css({"color": "red", "text-decoration": "underline"});

/*2. Use basic selectors and the find() method to select an image on the page
    and change it with another image of your choice.  */

$('#objectives').find('img').attr('src', 'http://images.nationalgeographic.com/wpf/media-live/photos/000/007/cache/tyrannosaurus_791_600x450.jpg');

/*3. Use traverse methods to select all instances of a repeated word on the page 
     (like code) and use the animate() method to modify it.
*/

/*4. Try to find an element that requires at least three selectors / traverse 
     methods to locate it and then use the .on() method to bind an event handler 
     on these elements (use an event other than click).*/

/*5. Your choice. */

function substitute(word, element) {
    var rgxp = new RegExp(word, 'g');
    var repl = '<span class="myClass">' + word + '</span>';
    element.innerHTML = element.innerHTML.replace(rgxp, repl);
}
substitute('HTML');