To ensure smooth resizing of your window, you can save the existing onresize function and execute it either before or after implementing your own custom resize function. Here's an example that illustrates how this can be achieved:
var oldResize = window.onresize;
function resize() {
console.log("resize event detected!");
if (typeof oldResize === 'function') {
oldResize();
}
}
window.onresize = resize;
However, using this method may pose challenges when multiple onresize functions are in place. To address this, one approach is to encapsulate the old onresize function within a closure and invoke it alongside your new function like so:
function addResizeEvent(func) {
var oldResize = window.onresize;
window.onresize = function () {
func();
if (typeof oldResize === 'function') {
oldResize();
}
};
}
function foo() {
console.log("resize foo event detected!");
}
function bar() {
console.log("resize bar event detected!");
}
addResizeEvent(foo);
addResizeEvent(bar);
By utilizing the addResizeEvent function, you can register various functions to be executed upon window resizing. Each registered function will trigger sequentially, followed by the original resize function (if present). This allows for flexible customization of resize events based on specific requirements.
In the provided example, resizing the window will first trigger the bar function, then the foo function, and finally, any previously stored resize behavior associated with window.resize.