EXT_disjoint_timer_query: beginQueryEXT() method

The EXT_disjoint_timer_query.beginQueryEXT() method of the WebGL API starts a timer query.

Syntax

beginQueryEXT(target, query)

target: A GLenum specifying the target of the time query. Must be ext.TIME_ELAPSED_EXT.
query: A WebGLQuery object for which to start the time querying.

const ext = gl.getExtension("EXT_disjoint_timer_query");
const query = ext.createQueryEXT();
ext.beginQueryEXT(ext.TIME_ELAPSED_EXT, query);

// …

Specification
WebGL EXT_disjoint_timer_query Extension Specification

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`beginQueryEXT`	70 Only supported on macOS. 47–65 Removed due to the GLitch exploit.	79 Only supported on macOS.	51–59 Removed due to the GLitch exploit.	No	57 Only supported on macOS. 34–52 Removed due to the GLitch exploit.	No	47–65 Removed due to the GLitch exploit.	47–65 Removed due to the GLitch exploit.	No	34–47 Removed due to the GLitch exploit.	No	5.0–9.0 Removed due to the GLitch exploit.