function Base(name) {this.name = name;this.getName = function() {return this.name;};
}function Child(id) {this.id = id;this.getId = function() {return this.id;};
}
Child.prototype = new Base("base");
var c1 = new Child("child");
console.log(c1.getId(), c1.getName());function Person(name, age) {this.name = name;this.age = age;this.getName = function() {return this.name;};this.getAge = function() {return this.age;};this.getNameAge = function() {return this.name + this.age;};
}var tom = new Person("Tom", 38);
var jerry = new Person("Jerry", 6);
console.log(tom.getName());
console.log(jerry.getAge());var jack = {name: "jack",age: 26,
};var abruzzi = {name: "abruzzi",age: 26,
};function printName() {return this.name;
}console.log(printName.call(jack));
console.log(printName.call(abruzzi));function Address(street, xno) {this.street = street || "HuangQuan Road";this.xno = xno || 135;this.toString = function() {return "street ： " + this.street + ", No : " + this.xno;};
}function Person(name, age, addr) {this.name = name || 'unknown';this.age = age || 34;this.addr = addr || new Address(null, null);this.getName = function() {return this.name;};this.getAge = function() {return this.age;};this.getAddr = function() {return this.addr.toString();};
}var jack = new Person('jack', 26, new Address("QingHai Road", 135));
var abruzzi = new Person('abruzzi', 26);console.log(jack.getName());
console.log(jack.getAge());
console.log(jack.getAddr());
console.log(abruzzi.getName());
console.log(abruzzi.getAge());
console.log(abruzzi.getAddr());function p() {console.log("invoke p by ()");
}p.id = "func";
p.type = "function";console.log(p);
console.log(p.id + ":" + p.type);
console.log(p());function adPrint(str, len, option) {var s = str || "default";var l = len || s.length;var o = option || "i";s = s.substring(0, l);switch(o) {case "u":s = s.toUpperCase();break;case "l":s =s.toLowerCase();break;default:break;}console.log(s);
}console.log(adPrint("Hello, world"));
console.log(adPrint("Hello, world", 5));
console.log(adPrint("Hello, world", 5, "l"));
console.log(adPrint("Hello, world", 5, "u"));var jack = {name: "jack",age: 26,
};var abruzzi = {name: "abruzzi",age: 27,
};function printName() {return this.name + ":" + this.age;
}function setName(name) {this.name = name;
}setName.apply(jack, ["Jack Sept."]);
console.log(printName.apply(jack));
setName.call(jack,"Jack Sept.t");
console.log(printName.apply(jack));function add(x, y) {return x + y;
}var a = 0;
a = add;
var b = a(2, 3);
console.log(b);var obj = {id: "obj1",
};obj.func = add;
console.log(obj.func(2, 3));function adPrint2(str, handler) {console.log(handler(str));
}
function up(str) {return str.toUpperCase();
}
function low(str) {return str.toLowerCase();
}console.log(adPrint2("Hello,world", up));
console.log(adPrint2("Hello,world", low));function currying() {return function() {console.log("curring");};
}
currying();
currying()();var array = [1, 2, 3, 4, 5];
console.log(array.length);
array.length = 3;
console.log(array.length);
console.log(array);
var stack = new Array();
stack['second'] = "okay, then";
stack['first'] = 3.1415;
stack['third'] = new Date();for(var item in stack) {console.log(typeof stack[item]);
}
console.log(stack.length);var array = [];
array.push(1);
array.push(2);
array.push(3);
array.push("four");
array.push("five");
array.push(3.14159);var len = array.length;
for(var i = 0; i < len; i++) {console.log(typeof array[i]);
}
for (var i = 0; i < len; i++) {console.log(array.pop());
}
console.log(array.length);
array = ["one", "two", "three", "four", "five"];
var str1 = array.join(",");
var str2 = array.join("|");
console.log(str1);
console.log(str2);
var another = ["this", "is", "another", "array"];
var another2 = ["yet", "is", "another", "array2"];
var bigArray = array.concat(another, another2);
console.log(bigArray);
console.log(bigArray.slice(5, 9));
console.log(bigArray.splice(5, 2));var emailval = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/;
console.log(emailval.test("kmustlinux@hotmail.com"));
console.log(emailval.test("@hotmail.com"));
var variable = /[a-zA-Z_][a-zA-Z0-9_]*/;
console.log(variable.test("hello"));
console.log(variable.test("0871"));
var pid = /^(\d{15}|\d{18})$/;
var mphone = /\d{11}/;
var phone = /\d{3, 4}-\d{7, 8}/;
mphone.test("13865732134");
var str = "life is very much like a mirror.";
var result = str.match(/is|a/g);
console.log(result);
var str = "<span>Welcome, John</span>";
var result = str.replace(/span/g, "div");
console.log(result);
var result = str.replace(/(\w+), \s(\w+)/g, "$2 $1");
console.log(result);
var str = "john: wow : tomorrow: happy";
var result = str.split(/s*:\s*/);
console.log(result);
var str = "Tomorrow is another day";
var index = str.search(/another/);
console.log(index);var outter = [];
function closeTest() {var array = ["one", "two", "three", "four", "five"];for(var i = 0; i < array.length; i++) {var x = {};x.no = i;x.text = array[i];x.invoke = function(no) {return function() {console.log(no);};}(i);outter.push(x);}
}
closeTest();
console.log(outter[0].invoke());
console.log(outter[1].invoke());
console.log(outter[2].invoke());
console.log(outter[3].invoke());
console.log(outter[4].invoke());