JavaScript,获得,对象大小本文实例讲述了JavaScript获得指定对象大小的方法。分享给大家供大家参考。具体如下： function objectSize(the_object) { /* function to validate the existence of each key in the object to get the number of valid keys. */ var object_size = 0; for (key in the_object){ if (the_object.hasOwnProperty(key)) { object_size++; } } return object_size;}用法如下： // Arbitrary objectvar something = { dog: "cat", cat: "dog"}console.log(objectSize(something));// Logs: 2希望本文所述对大家的javascript程序设计有所帮助。
JavaScript,获得,对象大小
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