1.7.Closure
var cache = {} // 全域變數 var mult = function(){ return something }var mult = function(){ var cache = {} // 封裝全域變數 return function(){ return something } }
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var cache = {} // 全域變數
var mult = function(){
return something
} var mult = function(){
var cache = {} // 封裝全域變數
return function(){
return something
}
}Last updated