自由控制文字输入

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>

<!--  Activate Cloaking Device

// used to track position in message

var i = 0;

// used to cycle thru messages

var TextNumber = 0;

// array of messages

var TextInput = new Object();

// used to load manipulate message

var HelpText="";

// used to load message

var Text = "";

// length of timeout (smaller is faster)

var Speed=50;

// added to end of each message to create a pause

var WaitSpace="                "

// used to position text in ver 2.0

var addPadding="\r\n";

// Each element of TextInput represents a single message.

TextInput[0] = "This is just another method of displaying information to your visitors.";

TextInput[1] = "The routine is based on the T-Banner by Tomer and Yehuda Shiran.";

TextInput[2] = "I've selected the TextArea for display to utilize the wrap-around feature.";

TextInput[3] = "The messages can be made to cycle manually, check out Tele-Type 1 in Tim's Lab.";

TextInput[4] = "Though this scheme is not perfect, you have to admit it is different!";

TextInput[5] = "I've learned that you can reduce flicker by shortening the messages.";

TextInput[6] = "One may want to add speed adjustment to better match individual machines.";

TextInput[7] = "Whether practical or not, at least it was fun developing Timothy's Tele-Type Display!";

TotalTextInput = 7; // (0, 1, 2, 3, 4, 5, 6, 7)

// Positioning and speed vary between versions.

var Version =  navigator.appVersion;

if (Version.substring(0, 1)==3)

{

Speed=200;

addPadding="";

}

for (var addPause = 0; addPause <= TotalTextInput; addPause++)

{TextInput[addPause]=addPadding+TextInput[addPause]+WaitSpace;}

var TimerId

var TimerSet=false;

// Called by the Start button.

function startMessage()

{

if (!TimerSet)

{

TimerSet=true;

teletype();

}

// Gets and displays character from rollMessage() .

// Variable Speed controls length of timeout and thus the speed of typing.

function teletype()

{

Text=rollMessage();

TimerId = setTimeout("teletype()", Speed)

document.forms[0].elements[0].value=Text;

}

// Pulls one character at a time from string and returns (as Text) to function teletype() for displaying.

function rollMessage ()

{

Wait_yn=false;

i++;

var CheckSpace = HelpText.substring(i-1, i);

CheckSpace = "" + CheckSpace;

if (CheckSpace == " ")

{i++;}

if (i >= HelpText.length+1)

{

i=0;

if (TextNumber < TotalTextInput)

{TextNumber++;}

else {TextNumber = 0;}

initMessage();

}

Text = HelpText.substring(0, i);

return (Text);

}

// Called from onLoad in BODY tag & resetDisplay().

function titleDisplay()

{

document.forms[0].elements[0].value="\r\n         AutoCycle Tele-Type Display";

initMessage();

}

// Sets Text & HelpText equal to messages for use in rollMessage ().

function initMessage()

{

Text = TextInput[TextNumber]

HelpText = Text;

}

// Called by Stop button.

function stopMessage()

{

TimerSet=false;

clearTimeout (TimerId);

}

// Called by Reset button.

function resetDisplay()

{

TimerSet=false;

clearTimeout (TimerId);

TextNumber=0;

i=0;

titleDisplay();

}

// Deactivate Cloaking -->

</SCRIPT>

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