pubsub javascript

Article Introduction: JavaScript parsing: Let search engines see more authentic pages. For a long time, webmasters choose to use JavaScript to achieve the dynamic behavior of the Web page, the reason for this is varied, such as speed up the page response speed, reduce site traffic, hidden links or embedded ads. Because the early search engine does not have the corresponding processing ability, ca

JavaScript is the most popular scripting language on the Internet. It can be used for HTML and web, and is widely used in servers, PCs, laptops, tablets, smartphones, and other devices. JavaScript is a scripting language JavaScript Introduction JavaScript is the most popular scripting language on the Internet. It can b

Understanding Javascript image pre-loading and javascript image loading Pre-loading images is a good way to improve user experience. When images are pre-loaded into the browser, visitors can smoothly surf your website and enjoy extremely fast loading. This is very advantageous for websites with a large proportion of image galleries and images. It ensures fast and seamless publishing of images, it can also h

unobtrusive JavaScript is a design concept that removes JavaScript from the HTML structure, avoiding the inclusion of a bunch of onchange, onclick in HTML tags ... And so on, to Mount JavaScript events, to separate HTML from JavaScript, and to differentiate the functions and responsibilities according to the MVC princi

JavaScript statement to the browser. The statement is used to tell the browser what to do. JavaScript statements JavaScript statement to the browser. The statement is used to tell the browser what to do. JavaScript statements The JavaScript statement is a command sent to the

In some interesting discussions on Twitter, I found that there is a common doubt about the dependence of Web applications and sites on javascript. this kind of doubt has always existed, and for me, this problem has exploded with the rapid development of browser technology. The first time I encountered this problem was in the era where DHTML was prevalent. we have nothing to do with browsers. We have added various animated menus and 3D labels (we have

25 JavaScript interview questions that you need to know, javascript questions 1. Use typeof bar === "object" to determine if bar is an object with potential drawbacks? How can we avoid such disadvantages? The disadvantage of using typeof is obvious (this disadvantage is the same as using instanceof ): let obj = {};let arr = [];console.log(typeof obj === 'object'); //trueconsole.log(typeof arr === 'object');

To master JavaScript, first of all, we must discard the interference of some other advanced languages such as Java, C #, and other class-oriented Object-oriented thinking, fully understand the features of the original type of JavaScript object-oriented from the perspective of functional language. Today, JavaScript is widely used, and various applications depend o

In-depth understanding of the scope and context of Javascript, and deep understanding of javascript Overview The implementation of scopes and context in Javascript is unique to the Javascript language. To some extent, Javascript is very flexible. Functions in

This article mainly introduces 45 JavaScript programming notes and tips. in this article, I will share some JavaScript skills, tips, and best practices, except for a few, both the browser's JavaScript engine and the server-side JavaScript interpreter are applicable. if you need Jav