Key question  What are the three standardized core languages used to implement web pages? Write the full name not the abbreviation and describe the “layer” that the language implements.

Key question  What are the three “tiers” of web application development. Describe each “tier” and list some of the languages used for each of the “tiers.”

Key Concept Questions: True or False  jQuery is a JavaScript library  CSS is an extension of HTML. Explain.  HTML can be used to change the appearance of a website. Explain.  HTML should be used to control the appearance of a website. Explain.  CSS alone can be used to make a web page interactive, i.e., user interaction can change the appearance of a website.

Show the one example of how CSS can make a page interactive

Show an example of how CSS can make a page interactive  a {color: black}  a:hover {color: red; font-weight: bold}

HTML questions  Which HTML tag defines an item in a list?  Which HTML tag defines a list that uses bullets instead of numbers?  Which HTML tag defines a numbered list?  Which HTML tag contains the title and character set of a web page?

CSS questions  Which CSS attribute makes text bold?  How do you use CSS to make a centered?  What is the difference between the CSS color attribute and background-color attribute?  Write the CSS code to make list items bold but only if the list items are inside of a tag:  Write the CSS code to center the text of paragraphs but only if the paragraph is in a tag with the class name “center”:

Use CSS to make a centered?  div {margin: 10px auto}  div {margin: 10px auto 5px}  div {margin: 10px auto 5px auto}

Context specificity  Write the CSS code to center the text of paragraphs but only if the paragraph is in a tag with the class name “center”: div.center p { text-align: center; } section div p { text-align: left; }

 nav ul li { font-weight: bold; color: red; border: 1px solid blue;  }

Which of these is jQuery  A. document.getElementById(“intro”);  B. var x = 3;  C. $(“#intro”).html(“hello”);  D. #intro { color: red };

What is wrong with this code  HTML:  OK  Cancel  jQuery:  $(“button”).click( submit() );

Identify: PHP, JavaScript, jQuery, SQL, HTML, or CSS  echo “ Title ”;  ” type=“text”>  $result = run_query(“SELECT * FROM Users”);

Identify: PHP, JavaScript, jQuery, SQL, HTML, or CSS  This is a paragraph with big margins  .important { font-weight: bold; }  $(“.important”).css(“color”, “red”);

Identify: PHP, JavaScript, jQuery, SQL, HTML, or CSS  $("#sportlink").attr("href","  $("#red").attr(”style",”color: red");

Why is CSS better than HTML for styling a web page?

Why is JavaScript better than CSS for implementing interaction?

AJAX var xmlhttp =new XMLHttpRequest(); xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { var content = xmlhttp.responseText; document.getElementById("myDiv").innerHTML = content; } xmlhttp.open("POST","example2.php",true); xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded"); xmlhttp.send("first=Eric&last=Breimer");