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<script language="javascript">
function person(name){ //¹¹Ô캯Êýperson
this.name = name;
//this´´½¨³öµÄ¶ÔÏó£¬Ã¿Ò»¸ö¸±±¾¶¼»á°üº¬ÆäÊôÐԺͺ¯Êý
this.say = function(){alert("hello, i'm " + this.name);}
}
//prototype´´½¨µÄº¯Êý¶ÔÏó£¬ËùÓеĸ±±¾¹²Ïíͬһ¸öº¯Êý
person.prototype.show = function(){alert("hi~~, i'm " + this.name);}
var p1 = new person("p1");
var p2 = new person("p2");
alert(p1.say == p2.say); //false£¬Ã»¹²Ïíº¯Êý
alert(p1.show == p2.show); //true£¬¹²Ïíº¯Êý
</script>
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<script language="javascript">
function person(name){
this.name = name;
}
person.prototype.say = function(){alert("hello, i'm " + this.name);}
function employee(name, salary){
//µ÷ÓÃperson×÷ΪemployeeµÄ¹¹Ô캯Êý——ÖØµã
person.call(this, name); //Ä¿µÄÊǼ̳ÐpersonµÄÊôÐÔ
this.salary = salary;
}
//×ÓÀ๹Ô캯ÊýÊ×ÏÈÐèÒªÓÃÉϲ㹹Ô캯ÊýÀ´½¨Á¢ prototype¶ÔÏó£¬ÊµÏּ̳еĸÅÄî——ÖØµã
employee.prototype = new person(); //Ä¿µÄÊǼ̳ÐpersonµÄ·½·¨£¬Ö»ÐèÒªÆä prototype µÄ·½·¨£¬´Ë¶ÔÏóµÄ³ÉԱûÓÐÈκÎÒâÒ壡
employee.prototype.showMoney = function(){alert(this.name + "'s salary is " + this.salary);}
var bill = new pers
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<html>
<body>
<script type="text/javascript">
var arr = new Array(3)
arr[0] = "George"
arr[1] = "John"
arr[2] = "Thomas"
var arr2 = new Array(3)
arr2[0] = "James"
arr2[1] = "Adrew"
arr2[2] = "Martin"
document.write(arr.concat(arr2))
</script>
</body>
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