ok-admin/lib/loading/okLoading.js

var ok_load_options = {
	time: 1000,
	content: "ok-admin..."
};
!function (content, options) {

	function templateFun(options) {
		return `<div class="ok-loading">
						<div class="ball-loader">
							<span></span><span></span><span></span><span></span>
						</div>
				</div>`;
	}

	function headerInit(content, options) {
		options = options || {};
		if (typeof content == "string") {
			options["content"] = content || ok_load_options.content;
		} else if (typeof content == "object") {
			options = content;
		}
		options.time = options.time || ok_load_options.time;
		options.content = options.content || ok_load_options.content;
		return options;
	}

	ok_load_options = headerInit(content, options);
	var template = templateFun(ok_load_options);
	document.writeln(template);
}();

var okLoading = {
	close: function (time, dom) {
		time = time || ok_load_options.time;
		dom = dom || document.getElementsByClassName("ok-loading")[0];
		var setTime1 = setTimeout(function () {
			clearTimeout(setTime1);
			dom.classList.add("close");
			var setTime2 = setTimeout(function () {
				clearTimeout(setTime2);
				dom.parentNode.removeChild(dom);/**删除当前节点*/
			}, 800);
		}, time);
	}
};