选择显示文字方式

下面为效果显示区!

脚本说明:
第一步:把如下代码加入<body>区域中
<SCRIPT LANGUAGE = "JavaScript">

<!-- HTML comment to placate non JavaScript capable browsers

function AraVob() {
}
var ScreenLine = new AraVob();
ScreenLine[1]  = "You can display multiple lines of text here,";
ScreenLine[2]  = "including \"blank\" lines.";
ScreenLine[3]  = " ";
ScreenLine[4]  = "Isn't this easier to read than \"sideways\" scrollers?";
ScreenLine[5]  = " ";
ScreenLine[6] = "Click on the \"Type/Scroll\" button to switch between....";
ScreenLine[7] = "  scrolling the page up with complete lines or,";
ScreenLine[8] = "  typing a line and scrolling the page up.";
ScreenLine[9] = " ";
ScreenLine[10] = "Aren't you glad your browser has JavaScript (JScript) power?";
ScreenLine[11] = "Enjoy!....";
/*
To change or add lines, just replace values of or add to ScreenLine[n]
above.   Use \" in the message text for quotes and \t for tabs.
*/
var msgNum = 1;          // set to first message to display
var msgCnt = 11;         // set to number of last ScreenLine to display.
var typeSpeed = 50;      // the typing rate in milliseconds (higher number type more slowly)
var lineDelay = 2000     // the delay time at end of line. (unless the line is a single space)
var pagLen = 6;          // number of lines per page (usually the number of rows in the TEXTAREA)   
var delay = typeSpeed;     
var timerPS = null;
var linPntr = 0;
var tally = 1;
var msg = " ";
var outMsg = "";
var i = 0;
var typingon = false;

// set up ScreenLines for display
for (x = msgCnt; 1 <= x; x--) {
  ScreenLine[x+pagLen] = ScreenLine[x] + "\r\n";
}
for (x = 1; x <= (pagLen); x++) {
  ScreenLine[x] =  " \r\n";
}
 msgCnt +=  pagLen;
 msg = ScreenLine[1];
// end setup

function SwitchIt() {
 typingon = !typingon;
}

function ChangeMsg() {
 msgNum++;
 if (msgCnt < msgNum) {
   msgNum = 1;
 }
 if (pagLen <= tally) {
   chgPage();
 }
 tally++;
 msg = ScreenLine[msgNum];
}

function chgPage() {
 if (msgNum < pagLen) {
   linPntr = msgCnt - pagLen + msgNum + 1;
 }
 else {
   linPntr = msgNum - (pagLen - 1);
 }

outMsg =   ScreenLine[linPntr];
 for (p = 1; p < (pagLen - 1); p++) {
   linPntr++;
   if (msgCnt < linPntr) {
     linPntr = 1;
   }
   outMsg += ScreenLine[linPntr];
 }
  
}

function quitDisplay() {
  self.document.msgform.msgarea.value = "Type a Page for yourself today!";
}
// -->

</SCRIPT>

<FORM NAME = "msgform" ACTION = " ">
 <TEXTAREA NAME = "msgarea" COLS = 66 ROWS = 6>
 JavaScript (or JScript) Power needed.
 </TEXTAREA>
</FORM>
<FORM>
  <INPUT TYPE="button"
         NAME="button1"
         VALUE="逐个显示/逐行显示"
         onClick="SwitchIt()">
 </FORM>

第二步:把如下代码加入<body>区域中
<body bgcolor="#fef4d9" onLoad="DisplayMsg()">

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