Lecture notes - March 11

• Questions

• Text chap 10: "processing user input"
  • output to HTML page: document.write("text"); n
  • variables: var jimsName = "James Henri";
  • string concatenation: "Jim's name is " + jimsName
  • input from user: var jimsHeight = parseFloat( prompt("How tall is Jim?", "6") );
  • function definitions: function someName(arg1, arg2){ ... }
  • giving a tag an "id": <input id='thisOne' ...>
  • a tag "object" in JS: var theInput = document.getElementById('thisOne');
  • the text within an input object: theInput.value = "Hi!";
  • hitting a button can call a JS function: <input type='button' onclick='doThis()'>

• Go over a few examples
• One: circle
• Two: circle2 - with errors

• Three: start of a Mastermind game - mastermind.html