javascript initialize associative array

How does PHP declare an array? There are two main ways to declare an array in PHP: One is to apply an array () function declaration, and the other is to declare an array directly by assigning values to the elements of the array. (What is an array of

Many students have ignored the fact that JavaScript can also do object-oriented programming for quite a long time. On the one hand, the various page interactions that we have implemented in the introductory phase are very logical to be solved with

1. Array creation and initialization var obj=new Array (); var arr=[]; Can be extended to a certain length, the literal defines the array 2. Stack by value Pass reference type An array is a reference type, not a value pass, Stack: Automatic

JavaScript objects can be viewed as unordered collections of attributes, each of which is a pair of key values that can be added to the deletion. Everything in JavaScript is an object: A string, a number, an array, a date, and so on. In addition

Recently read the "Nodejs Development Guide" found that Nodejs in some specific areas by his own strengths, suitable for dense computing but the business logic is relatively simple scenario, if you do the site or choose PHP Bar, hehe, this book I in

This article describes almost all basic concepts about objects, what are objects, how to create objects, how to set and read object attributes, how to delete attributes, constructors, and object prototypes, parent class, subclass, inheritance, and

Object of JavaScriptAn object is a data type of JavaScript. An object can be considered an unordered collection of attributes, each of which is a key-value pair, and the property name is a string, so the object can be treated as a string-to-value

See the new article on MSDN today: Create Advanced Web applications with object-oriented techniques. It's been a long time since I've seen such a good article. Last seen is a Douglas crockford JavaScript, We hardly new Ya (I briefly translated the

Javascript has been using objects and arrays in javascript for more than three years, but it still has some details, such as objects and arrays, some basic operations are always used. This is a bad habit for me to learn-lazy. Many things only know

1 what is an array: In memory, storage space for multiple data storage, and then a name why;2 Why: The reality of storing multiple related data, are centralized storage, a common name3 4program = data structure +algorithm5 good data structure can