12/2/2023 0 Comments Overflow scrolling cssThe output of the above code looks like this. Let's try to understand the above snippet. Let's see the implementation of the above functionality. Now, to assign the above-calculated values to the windows.scroll event we may use the window.scrollTo() function and pass the calculated values in this function as arguments to fix the horizontal and vertical position of the webpage. Window.pageXOffset values method is also used to get the number of pixels to the left of the page by which the webpage is displaced to the right but the former method is not supported by some of the browsers, therefore, this method comes as an alternative. The method is used to get the number of pixels to the left of the page by which the webpage is displaced to the right. To calculate the current horizontal position of the webpage in pixels and window.pageXOffset values functions are used with the OR (|) operator because one of them may return 0 value in the browsers. Since some of browsers do not support the former method then this method comes as an alternative.Ĭalculating the current horizontal position of the page: The window.pageYOffset method of JavaScript also calculates the number of pixels from the top of the webpage by which the page is scrolled down. To calculate the current vertical scroll position of the web page in pixels and window.pageYOffset functions are used with OR (|) operator because one of them may return 0 value in some of the browsers.ĭ method of JavaScript calculates the number of pixels from the top of the webpage by which the page is scrolled down. To do this we need to fix the vertical and horizontal position of the page to the current values which can be done using the following JavaScript functions.Ĭalculating the current vertical position of the page: We can set the position of this windows.onscroll event to a fixed value then it will prevent the page from scrolling in the vertical or horizontal direction or both. The onscroll event on windows is triggered when the window's scrollbar is being scrolled. One of the ways to disable scroll on a webpage is using the window.onscroll event. By Overriding the window.onscroll Function The prerequisite for understanding this article is the basic understanding of CSS and JavaScript DOM methods like querySelector, and getElementById as well as adding the event listeners to HTML elements. We shall explore different methods to disable and enable the scrolling functionality of a webpage along with some example code snippets. Scrolling a webpage while navigating can be controlled by using some JavaScript and CSS or either one of them as well.
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