?? ch8_examp1.htm
字號:
<HTML>
<HEAD>
<SCRIPT LANGUAGE=JavaScript>
function splitAndReverseText(textAreaControl)
{
var textToSplit = textAreaControl.value;
var textArray = textToSplit.split('\r\n');
var numberOfParts = 0;
numberOfParts = textArray.length;
var reversedString = "";
var indexCount;
for (indexCount = numberOfParts - 1; indexCount >= 0; indexCount--)
{
reversedString = reversedString + textArray[indexCount];
if (indexCount > 0)
{
reversedString = reversedString + "\r\n";
}
}
textAreaControl.value = reversedString;
}
</SCRIPT>
</HEAD>
<BODY>
<FORM NAME=form1>
<TEXTAREA ROWS=20 COLS=40 NAME=textarea1 WRAP=soft>Line 1
Line 2
Line 3
Line 4</TEXTAREA>
<BR>
<INPUT TYPE="button" VALUE="Reverse Line Order" NAME=buttonSplit
onclick="splitAndReverseText(document.form1.textarea1)">
</FORM>
</BODY>
</HTML>
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