JavaScript DHTML/HTML/URL
document.URL Property Reader
<source lang="html4strict">
<HTML> <HEAD> <TITLE>URL Property Reader</TITLE> <SCRIPT LANGUAGE="JavaScript1.1"> function fillTopFrame() {
newURL=prompt("Enter the URL of a document to show in the top frame:","")
if (newURL != null && newURL != "") {
top.frames[0].location = newURL
}
} function showLoc(form,item) {
var windName = item.value var theRef = windName + ".document" form.dLoc.value = unescape(eval(theRef + ".URL")) form.dTitle.value = unescape(eval(theRef + ".title"))
} </SCRIPT> </HEAD> <BODY> <FORM> <INPUT TYPE="button" NAME="opener" VALUE="Open URL..." onClick="fillTopFrame()"> </FORM>
<FORM>
Select a window or frame to view each document property values.<INPUT TYPE="radio" NAME="whichFrame" VALUE="parent" onClick="showLoc(this.form,this)">Parent window <INPUT TYPE="radio" NAME="whichFrame" VALUE="top.frames[0]" onClick="showLoc(this.form,this)">Upper frame <INPUT TYPE="radio" NAME="whichFrame" VALUE="top.frames[1]" onClick="showLoc(this.form,this)">This frame<P>
| document.URL: | <TEXTAREA NAME="dLoc" ROWS=3 COLS=30 WRAP="soft"></TEXTAREA> |
| document.title: | <TEXTAREA NAME="dTitle" ROWS=3 COLS=30 WRAP="soft"></TEXTAREA> |
</FORM> </BODY> </HTML>
</source>
Extracting the Directory of the Current Document
<source lang="html4strict">
<HTML> <HEAD> <TITLE>Extract pathname</TITLE> <SCRIPT LANGUAGE="JavaScript"> // general purpose function to extract URL of current directory function getDirPath(URL) {
var result = unescape(URL.substring(0,(URL.lastIndexOf("/")) + 1))
return result
} // handle button event, passing work onto general purpose function function showDirPath(URL) {
alert(getDirPath(URL))
} </SCRIPT> </HEAD> <BODY> <FORM> <INPUT TYPE="button" VALUE="View directory URL" onClick="showDirPath(window.location.href)"> </FORM> </BODY> </HTML>
