Quiz - The Essential Guide to HTML5 - page 207

Code Explanation

thisxn = Number(thisx) + 115;

elementinmotion.style.left =
String(thisxn)+"px";

elementinmotion.style.top =
this.style.top;

makingmove = false;

if (this.id.substring(1)==
elementinmotion.id.substring(1)) {

elementinmotion.
style.backgroundColor = "gold";

this.style.
backgroundColor = "gold";

document.f.out.value =
"RIGHT";

sc = 1+Number
(document.f.score.value);

Pick up the score, convert to number, and
increment by 1

document.f.score
.value = String(sc);

if (sc==nq) { If game over

v = document
.getElementById("vid");

…find video element

v.style
.visibility = "visible";

…set visibility to visible

v.style.zIndex="10000";

…set zIndex to a very big number

v.play();

…play the video

} …close if clause