array of layers

[michelle]

As I understand it, you can reference to a form-field-element by either the ID or as a position in the document.forms-array.

This way you can see how many form field-elements you have on a page:
document.forms.length

I want to see how many <div> I have in a page and reference to them as [0], [1], [2], etc.

<pseudo-code>
var arrLen = document.divs.length;
for (var i = 0; i < arrLen; i++) {
alert(document.divs[i].style.top);
}
</pseudo-code>

Is there an array like this for <div>?

// Michelle

[gil davis]

This way you can see how many form field-elements you have on a page:
document.forms.lengthNot quite. That would give you the number of FORMs in the document.document.formName.lengthordocument.forms[n].lengthwould be the correct syntax.I want to see how many <div> I have in a page
In W3C DOM compliant browsers, you can use:document.getElementsByTagName("div")It will give you an array that contains all the DIVs in the document.

[michelle]

document.getElementsByTagName("div")It will give you an array that contains all the DIVs in the document.

I figured out how I get the lenght of the array:
myarrlength = document.getElementsByTagName("div").length

But how do I access the elements in the array?
myarr = document.getElementsByTagName("div")[0]
This does not work...

// Michelle

[gil davis]

myarr = document.getElementsByTagName("div")[0]gives you the first DIV in the page. Is that what you intended? Or did you want the whole array?myarr = document.getElementsByTagName("div");

[michelle]

I was maybe too hasty in my reply

I figured that the ids of the divs were in the array, so I could just write like this:

myarr = document.getElementsByTagName("div");
alert(myarr[0]);

Instead I needed this:
myarr = document.getElementsByTagName("div");
alert(myarr[0].id);