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| //单例模式1
var mySingleton = {
name:’songjiang’,
age:’45’,
run:function(){
//
}
}
//单例模式2，
var mySingleton2 = function(){
//私有
var instantiated;
var privateVariable = ‘v’;
function walk(){
};
//公有
if(!instantiated){
instantiated = {
publicV : ‘pv’,
publicMethod:function(){
console.log(privateVariable);
}
}
}
return instantiated;
}
//单例模式3 只有当使用时才会初始化
var mySingleton3 = (function(){
var instantiated ;
//主体
function init(){
return{
publicMethod:function(){
},
publicV:’v’,
}
}
return {
getInstance:function(){
if(!instantiated){
insantiated = init();
}
return insantiated;
}
}
})();
|
