website
/
shiyan4.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<!-- 179000522 廖孟豪 -->
		<script type="text/javascript" src="js/utils.js"></script>
		<script type="text/javascript">
			//1、函数ltrim,rtrim,trim,分别为去掉左空格，去掉右空格，去掉左右空格
			var str = "  javasrcipt   ";
			console.log("1:" + str);
			console.log("1:" + trim(str));
			//2、函数equals,比较2个字符串或对象是否相等
			var a = "2";
			var b = "javasrcipt";
			console.log("2:" + equals(a, b));
			console.log("2:" + equals(str, b));
			//3、函数isEmpty，验证字符串是否为空
			var c = "";
			console.log("3:" + isEmpty(c));
			console.log("3:" + isEmpty(a));
			//4、函数isMail,验证邮箱地址是否有效
			var d = "123456@qq.com";
			var e = "asdsad"
			console.log("4:" + isEmail(d));
			console.log("4:" + isEmail(e));
			//5、函数getCurrentDate，获取客户端当前日期
			console.log("5:" + getCurrentDate());
			//6、函数getLastDay,已知年和月份，返回最后一天
			console.log("6:" + getLastDay(2020, 3));
			//7、函数inArray,val为数组元素，arr为需遍历的数组
			var f = "a";
			var g = ["a", "b", "c"];
			var h = ["b", "c"];
			console.log("7:" + inArray(f, g));
			console.log("7:" + inArray(f, h));
		</script>
	</body>
</html>