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Keith Horwood keithwhor

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Founder at @functme. Making developers' lives easier one repo at a time.

TooTallNate / endianness.js

Created February 10, 2013 20:32

Get host machine endianness using JavaScript Typed Arrays (polyfill for `os.endianness()` in node.js)

	function endianness () {
	var b = new ArrayBuffer(4);
	var a = new Uint32Array(b);
	var c = new Uint8Array(b);
	a[0] = 0xdeadbeef;
	if (c[0] == 0xef) return 'LE';
	if (c[0] == 0xde) return 'BE';
	throw new Error('unknown endianness');
	}