function lyrics(){
var drink=" Maidong ";
var lyrics="";
var cans=10;
while(cans>0){
lyrics=lyrics + cans + "cans of" + drink + "on the wall!<br>";
lyrics=lyrics + cans + "cans of" + drink+'<br>';//这里写错了!!!!!!!!!!!!!!
lyrics=lyrics + "Take one down, and pass it around!<br>";
if (cans>1){
lyrics=lyrics + (cans-1) + "cans of" + drink + "on the wall!<br>";
}
else {
lyrics=lyrics + "No more cans on the wall!<br>";
}
cans = cans - 1;
}
document.write(lyrics);
}
var drink=" Maidong ";
var lyrics="";
var cans=10;
while(cans>0){
lyrics=lyrics + cans + "cans of" + drink + "on the wall!<br>";
lyrics=lyrics + cans + "cans of" + drink+'<br>';//这里写错了!!!!!!!!!!!!!!
lyrics=lyrics + "Take one down, and pass it around!<br>";
if (cans>1){
lyrics=lyrics + (cans-1) + "cans of" + drink + "on the wall!<br>";
}
else {
lyrics=lyrics + "No more cans on the wall!<br>";
}
cans = cans - 1;
}
document.write(lyrics);
}
然后代码建议有一定的缩进,这样方便阅读,且容易修改。<!doctype html>
<meta charset="utf-8">
<html>
<head><b>Look at Me!<br></b></head>
<title>HAHA</title><body>
<script>
document.write("Bullshit!<br>");
function plus(){
var a = 1;
var b = 2;
var c;
c = a + b;
alert(c);
} function lyrics(){
var drink = " Maidong ";
var lyrics = "";
var cans = 10; while(cans > 0){
lyrics = lyrics + cans + "cans of" + drink + "on the wall!<br>";
lyrics = lyrics + cans + "cans of" + drink + '< br >';
lyrics = lyrics + "Take one down, and pass it around!<br>"; if(cans > 1){
lyrics = lyrics + (cans - 1) + "cans of" + drink + "on the wall!<br>";
} else {
lyrics = lyrics + "No more cans on the wall!<br>";
}
cans = cans - 1;
}
document.write(lyrics);
}
</script>
<input type="button" value="Click Me if You are More Than 18" onclick="plus()" />
<input type="button" value="To be VIP!" onclick="lyrics()" />
</body>
</html>