get page height code example

Example 1: javascript get body height

var body = document.body,
    html = document.documentElement;

var height = Math.max( body.scrollHeight, body.offsetHeight, 
                       html.clientHeight, html.scrollHeight, html.offsetHeight );

Example 2: how to get height of web page

Dimension initial_size = driver.manage().window().getSize();
    int height = initial_size.getHeight();
    int width = initial_size.getWidth();