什么是对象
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>什么是对象</title>
</head>
<body>
<script>
//people = new Object();
//people.name = "aaa";
//people.age = "20";
//document.write("name:" + people.name + ",age:" + people.age);
</script>
<script>
function people(name, age) {
this.name = name;
this.age = age;
}
son = new people("son", 32);
document.write("name: " + son.name + ",age: " + son.age);
</script>
</body>
</html>
2
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>Date日期对象</title> </head> <body onload="startTime()"> <script> function startTime() { var today = new Date(); var h = today.getHours(); var m = today.getMinutes(); var s = today.getSeconds(); m = checkTime(m); s = checkTime(s); document.getElementById("timeText").innerHTML = h + ":" + m + ":" + s; t = setTimeout(function () { startTime(); }, 500); } function checkTime(i) { if (i < 10) { i = "0" + i; } return i; } </script> <div id="timeText"></div> </body> </html>
3
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>Array数组对象</title> </head> <body> <script> //var a = ["hello", "world"]; //var b = ["iwen", "ime"]; //var c = a.concat(b); //document.write(c); //var a = ["a", "c", "d", "t", "b", "e"]; //var b = ["5", "2", "4", "3", "1", "6"]; //document.write(a.sort()); //document.write("<br/>"); //document.write(b.sort()); //document.write("<br/>"); //document.write(a.sort(function (a, b) { // return b - a; //})); var a = ["c", "b", "a"]; document.write(a.reverse()); </script> </body> </html>