📄 17.5.htm
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Textarea Test</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
</head>
<body>
<h2 align="center">文本区测试</h2>
<form name="testform" id="testform"
action="http://www.javascriptref.com" method="get">
<label>文本区 1:
<textarea name="field1" id="field1" rows="5" cols="40">
This is some
default text
</textarea></label>
<br><br>
<input type="button" value="检测值"
onclick="alert(document.testform.field1.value);">
<input type="button" value="设置值"
onclick="document.testform.field1.value='this is a \n\n\n\t\t test!';">
<input type="button" value="改变行数"
onclick="document.testform.field1.rows=document.testform.rowsField.value;"
>
<input type="text" name="rowsField" id="rowsField" value="2"
size="2" maxlength="2">
<input type="button" value="改变列数"
onclick="document.testform.field1.cols=document.testform.colsField.value;"
>
<input type="text" name="colsField" id="colsField" value="10"
size="2" maxlength="2">
<br>
</form>
<hr>
<h2 align="center">公用域属性</h2>
<script type="text/javascript">
<!--
document.write("defaultValue: " + document.testform.field1.defaultValue+"<br>");
document.write("form: "+document.testform.field1.form+"<br>");
document.write("form.name: " + document.testform.field1.form.name+
"<br>");
document.write("name: "+document.testform.field1.name+"<br>");
document.write("rows: "+document.testform.field1.rows+"<br>");
document.write("cols: "+document.testform.field1.cols+"<br>");
document.write("type: "+document.testform.field1.type+"<br>");
document.write("value: "+document.testform.field1.value+"<br>");
//-->
</script>
</body>
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