css-user-select

css-user-select.js

has.add("css-user-select", function(global, doc, element){ 
	var style = element.style;
	if(typeof style.userSelect !== "undefined"){
		// Unlikely; user-select is non-standard, but might as well be future-proof...
		return "userSelect";
	}

	var prefixes = ["Khtml", "O", "ms", "Moz", "Webkit"],
		i = prefixes.length,
		prefix, name;

	while(prefix = prefixes[--i]){
		if(style[(name = prefix + "UserSelect")] !== undefined){
			// Supported w/ vendor prefix; return whole name
			return name;
		}
	}

	return false;
});