?????? ??
JavaScript ??? ??? ???? ?? ??????.
?? ??, ?? ? ??
????? ???? ?????.
???? ??, ?? ?? ?? ??? ??? ????? ?? ? ?? ?? ?????.
?? ????? ??? ???? ??? ???? ??? ????. ?? ????? ??? ??? ??? ? ???? ??? ????.
JavaScript ??
JavaScript??? ?? ?? ?? ?????.
JavaScript??? ??? ?? ?????. ??? ???? JavaScript? ??? ? ????.
JavaScript ?? ??? ?? ?????.
?? ??? car ??? ?? "Fiat"? ?????.
var car = "Fiat";
??? ????? ??? ?? ?? ??? ? ????. (?? ??).
var car = {??:"Fiat", ??:500, ??:"??"};
?? ???? 3?? ? ??("Fiat", 500, "white")? ?????. ?? ???.
?? ???? ??? ??? 3?? ??(??, ??, ??)? ???????.
Tip: JavaScript ??? ??? ???????.
?? ??
??? ???? JavaScript ??? ???? ??? ? ????.
Instances
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)（php.cn)</title>
</head>
<body>
<p>創(chuàng)建 JavaScript 對(duì)象。</p>
<p id="demo"></p>
<script>
var person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"};
document.getElementById("demo").innerHTML =
person.firstName + " 現(xiàn)在 " + person.age + " 歲.";
</script>
</body>
</html>????? ???? ??? ???
?? JavaScript ??? ?? ?? ?? ?? ? ????. ?? ? ? ?? ???? ??:
Instance
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)（php.cn)</title>
</head>
<body>
<p>創(chuàng)建 JavaScript 對(duì)象。</p>
<p id="demo"></p>
<script>
var person = {
firstName : "John",
lastName : "Doe",
age : 50,
eyeColor : "blue"
};
document.getElementById("demo").innerHTML =
person.firstName + " 現(xiàn)在 " + person.age + " 歲。";
</script>
</body>
</html>????? ???? ??? ???
?? ??
"JavaScript ??? ??? ????"?? ?? ? ????.
??? ??? ????? "JavaScript ??? ?-? ?? ????"? ?????.
?-? ?? ????? ?? : ??? ?????(?? ?? ???? ?????).
JavaScript ??? ?-? ?? ?? ?? ????? ???.
Tip: JavaScript ??? ?? ??? ???????.
?? ?-? ?? ??? ?? ?????.
PHP? ?? ??
Python? ??
C ??? ?? ???
Java? ?? ?
Ruby ? Perl? ?? ???
?? ??? ???
? ?? ???? ?? ??? ???? ? ????.
?? 1
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文網(wǎng)（php.cn)</title>
</head>
<body>
<p>
有兩種方式可以訪問對(duì)象屬性：
</p>
<p>
你可以使用 .property 或 ["property"].
</p>
<p id="demo"></p>
<script>
var person = {
firstName : "John",
lastName : "Doe",
id : 5566
};
document.getElementById("demo").innerHTML =
person.firstName + " " + person.lastName;
</script>
</body>
</html>????? ???? ??? ???.
?? 2
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title> PHP中文網(wǎng)</title>
</head>
<body>
<p>
有兩種方式可以訪問對(duì)象屬性:
</p>
<p>
你可以使用 .property 或 ["property"]。
</p>
<p id="demo"></p>
<script>
var person = {
firstName: "John",
lastName : "Doe",
id : 5566
};
document.getElementById("demo").innerHTML =
person["firstName"] + " " + person["lastName"];
</script>
</body>
</html>????? ???? ??? ????? ???? ???
methodName : function() { ?? ?? }?? ??? ???? ?? ???? ???? ? ????.
objectName.methodName()????? fullName()? person ??? ????? fullName? ?????. JavaScript ??? ??, ?? ? ???? ???? ?? ??? ????. ??? ???? ??, ??, ???? ??? ?????.
