Code: if (navigator.getUserMedia) { navigator.getUserMedia( constraints { video: true, audio: true }, successCallback function (localMediaStream...
as shown in the following figure, how to change the style after vue multiple selection checkbox is selected? (without using element ui) ...
Mini Program s self-generated session_id cannot be inserted into the database, but if the request is returned, you can solve the get content . ...
MDN document: https: developer.mozilla.org. looking at the document seems to mean writing three attributes directly .a{ background: url("https: ... ...") center cover; } but the effect of actually writing it out is not right, ...
var obj1 = {test:"hello world"} var obj2 = obj1 obj1 = null alert(obj2.test) hello world as far as I understand it, obj1 and obj2 point to the same object. Now obj1 is null,. Why can you still access test? through obj2? ...
the (recv) server is disconnected when python socket is read, and there is no exception at this time. What if I catch this error state? ...