<!DOCTYPE?html>
<html>
<head>
????<title>Function?returning?Function?Example</title>
????<script?type="text/javascript">
????????function?createComparisonFunction(propertyName)?{
????????????return?function(object1,?object2){
????????????????var?value1?=?object1[propertyName];
????????????????var?value2?=?object2[propertyName];
?
????????????????if?(value1?<?value2){
????????????????????return?-1;
????????????????}?else?if?(value1?>?value2){
????????????????????return?1;
????????????????}?else?{
????????????????????return?0;
????????????????}
????????????};
????????}
????????var?data?=?[{name:?"Zachary",?age:?28},?{name:?"Nicholas",?age:?29}];
????????
????????data.sort(createComparisonFunction("name"));
????????alert(data[0].name);??//Nicholas
????????
????????data.sort(createComparisonFunction("age"));
????????alert(data[0].name);??//Zachary????????
????</script>
</head>
<body>
</body>
</html>
請(qǐng)問這代碼object1和object2是怎么取得傳進(jìn)來的name屬性值，引用過程是什么樣的？新手求指教
二娃3
2016-11-02 19:03:11
