Javascript：必须知道的Javascript知识点之“作用域链”

代码示例 1 var xxxVar1 = 1; 2 var outer = function(){ 3 var xxxVar2 = 2; 4 5 var results = []; 6 7 for(var i = 0; i< 3; i++) 8 { 9 var inner = function(){ 10 var

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