is set to 100%, so the outermost scroll bar is not scrollable and is set to overflow:hidden.
how the window.onscroll scrolling event should be triggered when scrolling a dom element inside a page.
because some plug-ins need to listen for window.onscroll scrolling, you want to trigger this window scrolling event as well when the internal dom scrolls.
window.onscroll=function(){alert(1)}
var evt = window.document.createEvent('UIEvents');
evt.initUIEvent('scroll', true, false, window, 0);
window.dispatchEvent(evt);
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what does the code circled in the following picture mean? ...
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How does the code return only the result after the last asynchronous operation in the for loop is completed as shown in the figure? Please stop by and give me a hand. ...