![]() For example, let’s add an event to the object window to get its width and height and show it on the web page. This function is used to specify what will happen if the size of a window is being changed. To add a resize event to the window, we can use the onresize() function in JavaScript. Add a Resize Event Using the onresize() Function in JavaScript You can also use the addEventListener() function to add an event to any object, like a checkbox. You can save the above code into an HTML file and open it with any browser and change its size to see if the code works or not. The width and height of the window will be shown on the page, and it will change as the size of the window is changed. The most frequent reason for an element’s size to change is when the viewport is resized or the device’s direction changes between portrait and landscape. It allows for elements to be notified when their size changes. After the start() function, we added the resize event, which will call the start() function when a user resizes the window. Resize Observer is a new JavaScript API that’s very similar to other observer APIs like the Intersection Observer API. Window.locationbar Read only Returns the locationbar object. Some other methods: window.open () - open a new window window.close () - close the current window window.moveTo () - move the current window window. Window.location Gets/sets the location, or current URL, of the window object. ![]() In the script tag, we have a function start(), which is used to change the text of the two spans with the width and height of the window. Window.length Read only Returns the number of frames in the window. Making a resizable div in JS is not easy as you think It was a quiet night with a perfect temperature for the brain to give 100. The id of the span will be used to get the element in JavaScript. We added a br tag to move the cursor to a new line, and on the new line, we added another span with text Height=, and after that, we added another empty span with an id SpanID2. In the above code, we added a span with text Width=, and after that, we added an empty span with an id SpanID1 in the body section.
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