<script>
function NegBlank(str)
{
return str.replace(/(^\s*)|(\s*$)/g, "");
}
document.write("welcome "+NegBlank(" to Beijing "))
</script>
function NegBlank(str)
{
return str.replace(/(^\s*)|(\s*$)/g, "");
}
document.write("welcome "+NegBlank(" to Beijing "))
</script>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function trim() {
var r, re; // ÉùÃ÷±äÁ¿¡£
var ss = document.mainForm.test.value;
re = / /g; // ´´½¨ÕýÔò±í´ïʽģʽ¡£
r = ss.replace(re, ""); // ÓÃ "A" Ìæ»» "The"¡£
r = r.replace(/\n/g, "");
document.mainForm.test.value=r; // ·µ»ØÌæ»»ºóµÄ×Ö·û´®¡£
}
//-->
</SCRIPT>
</HEAD><BODY>
<FORM METHOD=POST name="mainForm">
<textarea name="test"></textarea>
<input type="button" onclick="trim()" value="trim">
</FORM>
</BODY>
</HTML>
<!--
function trim() {
var r, re;
var ss = document.mainForm.test.value;
re = / /g;
r = ss.replace(re, "");
r = r.replace(/\n/g, "");
document.mainForm.test.value=r;
}
//-->
</SCRIPT>