Javascript analysis object function

 (1): javascript is a dynamic type. If it is a prototype-based scripting language, "Everything is an object" in Javascript, it is more thorough than other languages, evenCodeThe function of the carrier in this province is also an object; the boundaries between data and code are already quite vague in Javascript;

(2): The dynamic manifestation of JavaScript refers to the assignment of an attribute in a JavaScript Object. Instead of creating a field, you only need to assign values when using it.