參考鏈接：
1、https://www.w3cschool.cn/javascript/
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<p id="demo">This is paragraph.</p>
<button onclick="upArray()">upArray</button>
<button onclick="LowerArray()">LowerArray</button>
<br>
<a href="javascript:window.opener=null;window.open('','_self');window.close();">close window</a>
<br>
<span id="displayTime">This window open time (s): 0</span>
<button onclick="myChangeFunction()" id="ChangeBtn">Stop</button>
<br>
<!-- next is javascript -->
<script text="text/javascript">
function person(firstname, lastname, age, eyecolor) {
this.firstname = firstname;
this.lastname = lastname;
this.age = age;
this.eyecolor = eyecolor;
this.changeName = changeName;
function changeName(name) {
this.lastname = name;
}
}
myMother = new person("Sally", "Rally", 48, "green");
myMother.changeName("Doe");
document.write(myMother.lastname + "<br>");
document.write("Object JSON:" + JSON.stringify(myMother) + "<br>");
// for object
for(tempObj in myMother)
{
document.write(tempObj + "->" + myMother[tempObj] + "<br>");
}
// Number object
Number.prototype.myadd = function()
{
var thisp = this;
var y = new Number(1);
var add1 = thisp + y;
//this = this + 1;
var type1 = typeof (thisp);
var type2 = typeof (add1);
var type3 = typeof (Number(add1));
}
var myNumber = 128;
myNumber.toString(16); // returns 80
myNumber.toString(8); // returns 200
myNumber.toString(2); // returns 10000000
myNumber.myadd();
// String object
var myString = "12345";
document.write("String to number: " + Number(myString) + 1);// 123451
document.write("<br>");
document.write("String to number: " + (Number(myString) + 1));// 12346
document.write("<br>");
// Array add new function to Array
Array.prototype.myUcase = function () {
for (i = 0; i < this.length; i++) {
this[i] = this[i].toUpperCase();
}
}
Array.prototype.lowerAll = function()
{
for(i = 0;i < this.length;i++)
{
this[i] = this[i].toLowerCase() + "_x";
}
}
function upArray() {
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.myUcase();
var x = document.getElementById("demo");
x.innerHTML = fruits;
}
function LowerArray() {
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.lowerAll();
var x = document.getElementById("demo");
x.innerHTML = fruits;
}
// windows object
document.write("windows object: " + window.navigator.appName + "<br>");
document.write("windows object: " + window.navigator.appVersion + "<br>");
document.write("windows object: " + window.navigator.appCodeName + "<br>");
window.resizeTo(500, 500);
//window.close();
// pop-up windows
var yourName = window.prompt("Please input your name:");
if (yourName != null && yourName != "") {
document.write("Your name is " + yourName + ".<br>");
}
else {
document.write("you not input your name please try again!");
}
alert("Hello\nHow are you?");// \n is LF new line character in alert
// setTimeout and setInterval
var intervalHandle = window.setInterval(function () { myIsThread() }, 1000);
var conterThreadRunTime = 0;
function myIsThread() {
conterThreadRunTime++;
document.getElementById("displayTime").innerHTML = "This window open time (s): " + conterThreadRunTime;
}
function myChangeFunction() {
var btnString = document.getElementById("ChangeBtn").innerHTML;
if (btnString == "Stop") {
window.clearInterval(intervalHandle);
document.getElementById("ChangeBtn").innerHTML = "Start";
} else if (btnString == "Start") {
intervalHandle = window.setInterval(function () { myIsThread() }, 1000);
document.getElementById("ChangeBtn").innerHTML = "Stop";
}
}
// use Cookie
document.cookie = "username=xiaogongwei; path=/xiaogongwei123";
</script>
</body>
</html>