The read-only WebGLActiveInfo.name property represents the name of the requested data returned by calling the getActiveAttrib() or getActiveUniform() methods.
The read-only WebGLActiveInfo.size property is a Number representing the size of the requested data returned by calling the getActiveAttrib() or getActiveUniform() methods.
The read-only WebGLActiveInfo.type property represents the type of the requested data returned by calling the getActiveAttrib() or getActiveUniform() methods.
The XMLHttpRequest.timeout property is an unsigned long representing the number of milliseconds a request can take before automatically being terminated. The default value is 0, which means there is no timeout. Timeout shouldn't be used for synchronous XMLHttpRequests requests used in a document environment or it will throw an InvalidAccessError exception. When a timeout happens, a timeout event is fired.