How to get document height and width without using jquery

How to get document height and width in pure i.e without using .
I know about $(document).height() and $(document).width(), but I want to do this in .

I meant page's height and width.

Answers:

Answer
var height = document.body.clientHeight;
var width = document.body.clientWidth;

Check: this article for better explanation.

Answer

Even the last example given on http://www.howtocreate.co.uk/tutorials/javascript/browserwindow is not working on Quirks mode. Easier to find than I thought, this seems to be the solution(extracted from latest jquery code):

Math.max(
    document.documentElement["clientWidth"],
    document.body["scrollWidth"],
    document.documentElement["scrollWidth"],
    document.body["offsetWidth"],
    document.documentElement["offsetWidth"]
);

just replace Width for "Height" to get Height.

Answer

This is a cross-browser solution:

var w = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
var h = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
Answer

Get document size without jQuery

document.documentElement.clientWidth
document.documentElement.clientHeight

And use this if you need Screen size

screen.width
screen.height
Answer

You can try also:

document.body.offsetHeight
document.body.offsetWidth
Answer

This should work for all browsers/devices:

function getActualWidth()
{
    var actualWidth = window.innerWidth ||
                      document.documentElement.clientWidth ||
                      document.body.clientWidth ||
                      document.body.offsetWidth;

    return actualWidth;
}
Answer

If you want to get the full width of the page, including overflow, use document.body.scrollWidth.

Answer

How to find out the document width and height very easily?

in HTML
<span id="hidden_placer" style="position:absolute;right:0;bottom:0;visibility:hidden;"></span>

in javascript

     var c=document.querySelector('#hidden_placer');

     var r=c.getBoundingClientRect();
     r.right=document width
     r.bottom=document height`

You may update this on every window resize event, if needed.

Answer

You should use getBoundingClientRect as it usually works cross browser and gives you sub-pixel precision on the bounds rectangle.

elem.getBoundingClientRect()
Answer

window is the whole browser's application window. document is the webpage shown that is actually loaded.

window.innerWidth and window.innerHeight will take scrollbars into account which may not be what you want.

document.documentElement is the full webpage without the top scrollbar. document.documentElement.clientWidth returns document width size without y scrollbar. document.documentElement.clientHeight returns document height size without x scrollbar.

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