function setupSomeGlobals() {
// Local variable that ends up within closure
var num = 666;
// Store some references to functions as global variables
gAlertNumber = function() { alert(num); }
gIncreaseNumber = function() { num++; }
gSetNumber = function(x) { num = x; }
}
/*setupSomeGlobals(); // 为三个全局变量赋值
gAlertNumber(); //666
gIncreaseNumber();
gAlertNumber(); // 667
gSetNumber(12);//
gAlertNumber();//12*/
function myClosure(X){
var temp="Hello "+X;
return function () {
console.log(temp)
}
}
myClosure("closure")()
var iNum=10;
function add(num1,num2){
function doAdd(){return num1+num2+iNum;}
return doAdd();
}
var name = "The Window";
var object = {
name : "My Object",
getNameFunc : function(){
return function(){
return this.name;
};
}
};
console.log(object.getNameFunc()());
function va() {
var name = "My Object";
return function getNameFunc() {
return name;
}
}
console.log(va()())
var name = "The Window";
var object = {
name : "My Object",
getNameFunc : function(){
var that = this;
return function(){
return that.name;
};
}
};
console.log(object.getNameFunc()());
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