Ex1

exercises/js/sandbox.js

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+//Select all of the div elements that have a class of "module".
+$('div.module')
+
+//Come up with three selectors that you could use to get the third item in the #myList unordered list. Which is the best to use? Why?
+$('#myList>li:nth-child(3)');
+$('#myList>li:eq(2)'); // is this same as next?
+$('#myList>li').eq(2); //This one is better because nth-child will not work if structure is changed. Also mylist>li will work only if li is direct child.
+$('#myList li').eq(2);
+
+
+//Select the label for the search input using an attribute selector.
+$("label[for='q']");
+
+//Figure out how many elements on the page are hidden
+$(":hidden").length;
+
+//Figure out how many image elements on the page have an alt attribute.
+$("img[alt]").length;
+
+//Select all of the odd table rows in the table body.
+('tbody>tr:odd');