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<HTML> <HEAD><TITLE>颜色的随机产生</TITLE><STYLE>.30pt{font-size:30pt;color:#de3076;font-family:文鼎ＰＯＰ－２繁}</STYLE><SCRIPT LANGUAGE="JavaScript"><!--color=new Array("0","3","6","9","C","F");speed=250;document.bgColor="FFFFFF";bg=new Array("FFFFFF","FFFFFF","FFFFFF");function begin() {document.form.col1.value=" X "; document.form.col2.value=" X ";document.form.col3.value=" X "; i=0; roll(speed);}function roll(speedB) //轮子滚动{if (document.form.col1.value==" X ") {document.form.c1.value=document.form.b1.value;document.form.b1.value=document.form.a1.value;document.form.a1.value=color[Math.round(Math.random()*10)%6]+color[Math.round(Math.random()*10)%6]; //利用随机函数产生轮子上的颜色值}if (document.form.col2.value==" X ") {document.form.c2.value=document.form.b2.value;document.form.b2.value=document.form.a2.value;document.form.a2.value=color[Math.round(Math.random()*10)%6]+color[Math.round(Math.random()*10)%6];}if (document.form.col3.value==" X ") {document.form.c3.value=document.form.b3.value;document.form.b3.value=document.form.a3.value;document.form.a3.value=color[Math.round(Math.random()*10)%6]+color[Math.round(Math.random()*10)%6];}setTimeout("roll("+speedB+")",speedB);}function stop(col) //轮子停止滚动{if (col==1) {document.form.col1.value=" ";i++;}if (col==2) {document.form.col2.value=" ";i++;}if (col==3) {document.form.col3.value=" ";i++;}if (i==3) {bg[0]=document.form.a1.value+document.form.a2.value+document.form.a3.value;bg[1]=document.form.b1.value+document.form.b2.value+document.form.b3.value;bg[2]=document.form.c1.value+document.form.c2.value+document.form.c3.value;speedB=500000;roll(speedB); }}function view(letter) //颜色预览{document.bgColor=bg[letter];document.form.color.value="#"+bg[letter];}--></script></head><center><br><br><br><br><form name="form"><table cellpadding=2 border=1><tr><td align=center><input type=text name="a1" size=3 onFocus="this.blur()" value=" "><input type=text name="a2" size=3 onFocus="this.blur()" value=" "><input type=text name="a3" size=3 onFocus="this.blur()" value=" "><input type=button onClick="view(0)" value="预览"><br><input type=text name="b1" size=3 onFocus="this.blur()" value=" "><input type=text name="b2" size=3 onFocus="this.blur()" value=" "><input type=text name="b3" size=3 onFocus="this.blur()" value=" "><input type=button onClick="view(1)" value="预览"><br><input type=text name="c1" size=3 onFocus="this.blur()" value=" "><input type=text name="c2" size=3 onFocus="this.blur()" value=" "><input type=text name="c3" size=3 onFocus="this.blur()" value=" "><input type=button onClick="view(2)" value="预览"><br><input type=button onClick="stop(1)" value=" X " name="col1"> <input type=button onClick="stop(2)" value=" X " name="col2"> <input type=button onClick="stop(3)" value=" X " name="col3"> </td><td valign=middle align=center><input type=button onClick="begin()" value="启动!"><p><table bgcolor=FFFFFF border=1 cellspacing=0><tr><td align=center valign=middle>按"X" 轮子停止转动...<p>BG Color = <input type=text size=7 value="#FFFFFF" name=color></td></tr></table></td></tr></table></form></center><p><center><table class=30pt><tr><td>颜色的随机产生</tr><tr><td>按下启动按钮,右边的三排轮子开始滚动</tr><tr><td>按下三个X按钮颜色值定下来</tr><tr><td>按下预览按钮可看颜色效果</tr></table><p></BODY></HTML>⌨️ 快捷键说明
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