2 methods and precautions for adding scripts in HTML

How to add <script> script in HTML:

1. You can directly add javascript code to html

Copy code

The code is as follows:

When the interpreter embeds <script> code, the processing of the HTML page will also be temporarily stopped.

2. Add external js files

Copy code

The code is as follows:

Note:
① In XHTML documents, the </script> tag can be omitted, for example:

Copy code

The code is as follows:

However, the </script> tag cannot be omitted in HTML. This tag does not comply with HTML specifications and therefore cannot be correctly parsed by some browsers.

② It is best to put the <script> tag before the </body> tag, which will enable the browser to load the page faster.

③When using <script> to embed JavaScript code, do not allow the “</script>” string to appear anywhere in the code. For example, a browser will generate an error when loading the following code:

Copy code

The code is as follows:

Because according to the rules for parsing embedded code, when the browser encounters the string "</script>", it will think that it is the closing </script> tag. If you want to add a </script> string to the code, you can write it as <\/script>

<<: Two ways to build a private GitLab using Docker

>>: How to create a simple column chart using Flex layout in css

2 methods and precautions for adding scripts in HTML

Better-scroll realizes the effect of linking menu and content

JS Canvas interface and animation effects

Solution to the problem of z-index not taking effect in CSS3

Example code for hiding element scrollbars using CSS

Some notes on mysql create routine permissions

Understand the usage of Vue2.x and Vue3.x custom instructions and the principle of hook functions

Detailed discussion of the differences between loops in JavaScript

Detailed explanation of various join summaries of SQL

View the number of files in each subfolder of a specified folder in Linux

Steps to use autoconf to generate Makefile and compile the project

Recommend

How to create a trigger in MySQL

How to install and modify the initial password of mysql5.7.18

After idea publishes web project, Tomcat server cannot find the project and its solution

Detailed explanation of the use of Linux lseek function

An example of dynamically implementing different styles of data in a column of el-table of element ui

How to use JS to implement waterfall layout of web pages

Teach you how to implement a circular/fan-shaped menu in 2 minutes (basic version)

Detailed graphic tutorial on how to enable remote secure access with Docker

Detailed explanation of mysql user variables and set statement examples

Flex layout makes adaptive pages (syntax and examples)

Analysis of the ideas of implementing vertical tables in two ways in Vue project

How to implement Nginx configuration detection service status

Docker Swarm from deployment to basic operations

How to check whether a port is occupied in LINUX

A complete tutorial on installing Ubuntu 20.04 using VMware virtual machine