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in Technique[技术] by (71.8m points)

请问该函数的返回值为啥是local?

var scope = 'global'
function checkScope() {
 var scope = 'local';
 function f() {
    return scope;
 }
 return f;
}
checkScope()();

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by (71.8m points)

JavaScript 采用的是词法作用域,函数的作用域基于函数创建的位置。


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