1. A method for sharing JavaScript objects of webpages provided by a server by way of a browser executed at a user client, the method comprising: (a) storing a shared JavaScript object from among one or more JavaScript objects of a first webpage in a predefined object storage area; (b) checking for a shared JavaScript object in a second webpage; and (c) forming the second webpage with the shared JavaScript object extracted, wherein the object storage area is positioned in a JavaScript context, the object storage area is defined on a volatile memory in which the browser is loaded, the shared JavaScript object is stored temporarily in the volatile memory without being converted into text or a data tuple format, the browser returns an address of the object storage area for the shared JavaScript object to the second webpage when the second webpage requests the shared JavaScript object from the browser, the shared JavaScript object comprises broadcasting information including at least one of a channel list, a live program list, an on-demand program list, and a program poster, and the server determines the shared JavaScript object according to at least one of a data size and a use frequency of JavaScript objects.