gerwebdesign.blogg.se

Javascript window resize
Javascript window resize







javascript window resize

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras non feugiat sem. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. offsetHeight + 50 // 50 is an arbitrary fudge factor to compensate for borders and title bar. offsetWidth + 16 // 16 is a magic number to cope for the borders of the RadWindow. We pass an empty dependencies array to useEffect, so that it is called only once in the component’s lifetime, and the resize event listener is only registered once – when the component first renders.Protected void Page_Load(object sender, EventArgs e)Ĭontrol ctrl = LoadControl ("WebUserControl2.ascx") In our example, the action is to add the event listener for the resize hook with the addEventListener() method.

javascript window resize javascript window resize

The useEffect hook is used to perform an action when a component first renders, and when one or more specified dependencies change. The first is a variable that stores the state, and the second is a function that updates the state when it is called. The useState hook returns an array of two values. We use the useState React hook to create a state variable that will update whenever the width of the window changes. The resize event is fired whenever the width or height of the window/document view changes. The innerWidth property returns the interior width of the window in pixels, including the width of the vertical scrollbar, if it is present. The text is updated with the width of the window when it is resized. Window.removeEventListener('resize', handleWindowResize) Window.addEventListener('resize', handleWindowResize)

javascript window resize

Import from 'react' Ĭonst = useState(window.innerWidth)









Javascript window resize