10 recommended courses on authoritative guides

There is no doubt that JavaScript is an interpreted language, but is it only parsed sentence by sentence from top to bottom at runtime? In fact or some phenomenon proves that this is not the case. Through the "JavaScript Definitive Guide" and related online information, we learned that JavaScript has "pre-parsing" behavior. It is important to understand this feature, otherwise you may encounter many problems that cannot be resolved in actual development, and even lead to program bugs. In order to analyze this phenomenon, and as a summary of my own learning, this article will gradually guide you to understand JavaScript "pre-parsing". If my opinion is wrong, please correct me. (1) If JavaScript is only parsed from top to bottom at runtime, it is understandable that the following code can run correctly, because we first define the function and then call it. function showMsg() { alert('This is message'); } showMsg();&n

1. Detailed explanation of the principle and implementation of JavaScript pre-parsing

##Introduction: There is no doubt that JavaScript is an interpreted language, but is it only parsed sentence by sentence from top to bottom at runtime? In fact or some phenomenon proves that this is not the case. Through the "JavaScript Definitive Guide" and related online information, we learned that JavaScript has "pre-parsing" behavior. It is important to understand this feature, otherwise you may encounter many problems that cannot be resolved during actual development, and even lead to program bugs. In order to analyze this phenomenon, and as a summary of my own learning, this article gradually guides you to understand JavaScript "pre-parsing". If my opinion is wrong,...

##2.

Detailed introduction to HTML5-creating HTML documents

##Introduction: The following content mainly talks about "HTML5 Authority" Guide" Chapter 7 on "Creating HTML Documents". One of the major changes in HTML5 is the separation of an element's semantics from its effect on the rendering of its content. In principle this makes sense. HTML elements are responsible for the structure and meaning of the document content, and the presentation of the content is controlled by CSS styles applied to the elements. The following introduces the most basic HTML elements: document elements and metadata elements. 1. Build a basic document structure. There are only 4 document elements: DOCTYPE element, html element, head element, body

##3. HTML5-Detailed introduction to embedded content

Introduction: The following content mainly talks about "Embedded Content" in Chapter 15 of "HTML5 Definitive Guide". 1. Embed images The img element allows us to embed images in HTML documents. The image is not loaded until the HTML markup has been processed! ! The src attribute specifies the URL of the image to be embedded; the alt attribute defines the alternative content of the img element (rendered when the image cannot be displayed). The width and height attributes specify the size (in pixels) of the image represented by the img element. If this attribute is omitted, the browser does not know how much screen space to leave for the image, causing the result

4. Must-see CSS Definitive Guide Notes

Introduction: The editor below will bring you an authoritative guide to CSS - Notes (must read). The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look.

5. Detailed introduction to those JavaScript details that are easily overlooked

Introduction: The book "The Definitive Guide to JavaScript" started from the fourth edition to the sixth edition. I have read each edition word for word several times, but the feeling after reading it is completely different. On Monday last week, I opened this Rhino book again. This time I came with a critical spirit and a research spirit, so I also wrote down some feelings and notes while reading, which are all easily overlooked points. , some of the content may not be mentioned in the Rhino book. I posted them all on Weibo before. I have sorted them out a bit and put them here for easy reading. Statements/Expressions Understand statements (statemaents) and expressions (express..

6. symfony authoritative guide (3) symfony configuration

Introduction: This article mainly introduces the symfony configuration of the symfony authoritative guide (3). Students who are interested in PHP tutorials can refer to it

##. #7. Recommend a good book for advanced PHP programmers Beijing Badge PHP Programmer Blog PHP Program

##Introduction: PHP programmers: Recommend good books for advanced PHP programmers: "UNIX Network Programming Volume 1 (3rd Edition)" "UNIX Network Programming Volume 2 (2nd Edition)" "Advanced Programming in UNIX Environment (2nd Edition)" 3rd Edition)" "The Art of UNIX Programming" "Insider MySQL Technology (5th Edition)" "In-depth Understanding of Computer Systems" "Internet Using TCP/IP" "High-Performance MySQL (3rd Edition)" "The Definitive Guide to HTTP" " Linux Programming (4th Edition)" "Niao Ge's Linux Private Kitchen Basics Learning Chapter (3rd Edition)" "Basic Algorithms in the Art of Computer Programming Volume 1 (3rd Edition)" "Web Front-End Hacking Technology Revealed

8.

The Definitive Guide to Installing Apache2 and PHP4 in Apache Windows

Introduction: Apache: The Definitive Guide to Installing Apache2 and PHP4 in Apache Windows : Apache 2 and PHP are popular and low-cost options for creating interactive websites. Installing Apache 2 in Windows is a breeze, but getting PHP 4 to work seamlessly with Apache 2 requires some skill. . The Windows installation section of the PHP 4.3 manual does not explain how to use PHP with Apache 2, and the section on Apache 2 installation is missing a lot of the information you need in other installation guides posted online. Error, make

9.

The Definitive Guide to Installing Apache2 and PHP4 in Windows_PHP Tutorial

##Introduction: The Definitive Guide to Installing Apache 2 and PHP 4 in Windows. Apache 2 and PHP are popular options for creating interactive websites, and installing Apache 2 in Windows is cheap. It is an easy thing, but to make PHP 4 and Apache 2 run seamlessly

10.

The Definitive Guide to Installing Apache2 and PHP4 in Windows_PHP Tutorial

Introduction: The authoritative guide to installing Apache2 and PHP4 in Windows. Apache2 and PHP are popular options for creating interactive websites at very low cost. Installing Apache2 in Windows is a piece of cake, but to make PHP4 and Apache2 run seamlessly, it is necessary

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