The Essential Guide to HTML5

QUIZ trick to remember that the indexing starts from zero is to imagine the array all lined up. The first element will be at the ...

CHAPTER 6 supports one-d imens ional arrays. The facts array is one-dimensional. The facts[0] element is itself an array, and so ...

QUIZ specifically, when the JavaScript in the script element is being executed (called execution time or runtime). This is what ...

CHAPTER 6 Tip: JavaScript and many other languages also provide a string method called substr that works a little differently. T ...

QUIZ The placeholder text will be replaced and the whole thing will be repositioned. We set the text by assigning a value to the ...

CHAPTER 6 just created, put the text holding the country name into the element, and then position it at a specified point on the ...

QUIZ This makes the player start over with a new move if she clicks twice on the same block. Since the block will change back to ...

CHAPTER 6 Figure 6-8. Video clip with controls Note that the display will vary slightly across the different browsers. The tag f ...

QUIZ Note that the position is never changed, but the z-index only works if position has been specified in a style. When the cod ...

CHAPTER 6 An alternative approach would be to remove a used fact from the array and to keep going until all rows have been chose ...

QUIZ Code Explanation ["Indonesia","Jakarta",false], ["Brazil","Brasilia",false],^ ["Russia","Moscow",false], ["Japan","Tokyo",f ...

CHAPTER 6 Code Explanation var inbetween = 300; Variable holding the distance between the original two columns var col1 = 20; Va ...

QUIZ Code Explanation slots[i] = -100; Used values will be 0 to 19 } Close of for loop for(i=0;i<nq;i++) { Start of for loop ...

CHAPTER 6 Code Explanation thingelem.addEventListener('click',
pickelement,false); Set up to listen for the click event uniquei ...

QUIZ Code Explanation document.f.score.value = "0"; Set score to 0 return false; This is done to prevent an HTML reloading of th ...

CHAPTER 6 Code Explanation document.f.score.value = String
(1+Number(document.f.score.value)); Increment the score (need to cha ...

QUIZ Code Explanation Score: <input name="score" type=
"text" value="0"/> Text label and then input field Close form Cl ...

CHAPTER 6 Code Explanation .thing {position:absolute;left: 0px;
top: 0px; border: 2px; border-style:
double; background-color: ...

QUIZ Code Explanation ["South Africa","Pretoria",false], ["South Korea","Seoul",false],^ ["Argentina","Buenos Aires",false], ["C ...

CHAPTER 6 Code Explanation var c; var s; var mx = col1; var my = row1; var d; var uniqueid; for (i=0;i<facts.length;i++) { fa ...