Object is one of the most important and powerful functions of JavaScript. Many built-in functions use object by default. By default, an object is a collection of attributes, which consist of keys and values. In this sense, objects in JavaScript are similar to associative arrays in PHP, but the similarity ends here. This is the second post in a five episode series on JavaScript for WordPress developers. This series will learn the basics, but it assumes that you have a practical knowledge of HTML and CSS. If you need help with these components, please check out the word press development series for beginners. The
The last article in this series introduced the basics of JavaScript, such as how to add to a page and use variables and functions. This tutorial focuses on objects commonly used in JavaScript. Have you missed the WordPress developer’s JavaScript tutorial series? You can view all 5 posts here. JavaScript for WordPress developers: learn basic knowledge JavaScript for WordPress developers: Launch object JavaScript for WordPress developers: Launch jQuery JavaScript for WordPress developers: JavaScript for WordPress developers: JavaScript for WordPress developers: loading JavaScript for JavaScript in WordPress JavaScript written by WordPress developers: using ajax
Let’s take a look at an example of an object in things JavaScript, and then go straight to. Load summary d8038c332948fb10aad64ce3eee56c this is a very simple object with four properties. The first attribute has a \
The code on the load summary d8038c332948fb10aad64ce3eee56c sends the publish request to the specified URL. The ‘complete’ attribute calls the function that runs when the request completes. To see how it works, let’s quickly write our own functions. The load summary d8038c332948fb10aad64ce3eeee56c object contains the name attribute and the function \
Before the idea is very similar, work with PHP objects. The simplicity of grammar can sometimes be alarming, but it has great power. Let’s take a step back and learn how to create and manipulate objects. Objects are always enclosed in curly braces. Attribute names may not be referenced, but must be referenced if they contain special characters such as dashes. Property values can be of many types, including strings, integers, arrays, and other objects. Let’s create a test object with some useful information to operate on. To obtain the load summary d8038c332948fb10aad64ce3eee56c attribute value, you can use the dot notation or brace notation. Brace symbols are useful if you want to use variable attribute names. See the example below. The
Load summary d8038c332948fb10aad64ce3eeee56c browser console display: You can use functions contained in objects, similar to object value records. Just add parentheses at the end (including parameters if necessary). Male loading summary d8038c332948fb10aaad64ce3eeee56c
