這裏顯示兩個版本的差異處。
Both sides previous revision 前次修改 下次修改 | 前次修改 | ||
playground:playground [2017/09/22 09:12] admin |
playground:playground [2018/03/07 03:11] admin |
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行 1: | 行 1: | ||
- | {{indexmenu>:# | ||
- | |||
- | <WRAP shadow tip> | ||
- | < | ||
< | < | ||
< | < | ||
- | + | | |
- | <p>Click the button to display | + | |
- | + | ||
- | <button onclick="myFunction()">Try it</button> | + | |
- | + | ||
- | <p id=" | + | |
< | < | ||
- | function myFunction() { | + | var upbd = 255; |
- | var str = "Hello World!" | + | var lwbd = 0; |
- | var result | + | var r=lwbd; |
- | document.getElementById(" | + | var g=115; |
- | } | + | var b=upbd; |
- | </ | + | var rd=0; |
+ | var gd=-1; | ||
+ | var bd=0; | ||
+ | var id = setInterval(frame, 1); | ||
+ | function frame() { | ||
+ | | ||
+ | |||
+ | elem.style.color = " | ||
+ | |||
+ | |||
+ | r=r+rd; | ||
+ | g=g+gd; | ||
+ | b=b+bd; | ||
+ | |||
+ | if(r==upbd&& | ||
+ | rd=0; | ||
+ | if(g==upbd){ | ||
+ | gd=-1; | ||
+ | }else if(b==upbd){ | ||
+ | bd=-1; | ||
+ | } | ||
+ | } | ||
+ | else if(r==lwbd&& | ||
+ | rd=0; | ||
+ | if(g==lwbd){ | ||
+ | gd=1; | ||
+ | }else if(b==lwbd){ | ||
+ | bd=1; | ||
+ | } | ||
+ | } | ||
+ | else if(g==upbd&& | ||
+ | gd=0; | ||
+ | if(r==upbd){ | ||
+ | rd=-1; | ||
+ | }else if(b==upbd){ | ||
+ | bd=-1; | ||
+ | } | ||
+ | } | ||
+ | else if(g==lwbd&& | ||
+ | gd=0; | ||
+ | if(r==lwbd){ | ||
+ | rd=1; | ||
+ | |||
+ | }else if(b==lwbd){ | ||
+ | bd=1; | ||
+ | } | ||
+ | } | ||
+ | else if(b==upbd&& | ||
+ | bd=0; | ||
+ | if(g==upbd){ | ||
+ | gd=-1; | ||
+ | }else if(r==upbd){ | ||
+ | rd=-1; | ||
+ | } | ||
+ | } | ||
+ | else if(b==lwbd&& | ||
+ | bd=0; | ||
+ | if(g==lwbd){ | ||
+ | gd=1; | ||
+ | }else if(r==lwbd){ | ||
+ | rd=1; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | | ||
+ | </ | ||
</ | </ | ||
</ | </ | ||
+ | < | ||
+ | echo "php 不能用QQ"; | ||
+ | </ |