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JavaScript 函数全局变量与局部变量差异

// Setup
var outerWear = "T-Shirt";


function myFunction() {
// Only change code below this line
var outerWear = "sweater";




// Only change code above this line
return outerWear;
}


myFunction();
JavaScript 函数局部变量定义
JavaScript 函数使用return返回值
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HTML5&CSS

JavaScript

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