美元符号使用javascript方法

Question

Can someone explain the usage of the dollar sign here..

var updateProgressDiv = $get('updateProgressDiv');

scroll down to the functions.. http://mattberseth.com/blog/2007/05/ajaxnet_example_using_an_updat.html

Answer 1

它只是函数名称的一部分-JavaScript标识符中允许$，因此（$ get）是完整的函数名称。

Answer 2

This is asp.net ajax shortcut:
$get Shortcut Method
Provides a shortcut to the getElementById method of the Sys.UI.DomElement class. This member is static and can be invoked without creating an instance of the class.

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Answer 3

$get is jQuery syntax for fetching an element. It has nothing to do with C#.