Application examples of various superscripts and subscripts in web pages

Add the html sup tag for html that requires floating and subscripting, and add the html sub tag for content that requires floating and subscripting.
1), add ^{before and after the content that needs to be floated and superscripted, add the} tag
2), add _{before and after the content that needs to be floated and subscripted, add the tag of}
3), there are many html tags that often use superscripts or subscripts in chemical expressions. We can use html superscript and subscript tags to solve this problem without using css styles.

1. htmlSuperscript and subscript application examples

Application fields: GeoExt / ArcMap Label...About html superscript and subscript application examples, it feels very practical. Friends who need it can refer to

2. About html font attribute control, horizontal lines, superscript and subscript, and insert pictures Detailed introduction

This article introduces to you in detail the control of html font attributes, horizontal lines, superscripts and subscripts, and the code for inserting image examples. If you don’t understand, you can click in and take a look.

3. HTML tag superscript sup and subscript sub application

In HTML language, the sup tag can define superscript text; the sub tag can define subscript text, as follows Let me explain to you the specific application of HTML tags: superscript
In HTML language, the ^{tag can define superscript text. For example: if it is required to display: 2 oxygen ions, it needs to be written as: 2O2- in the html code.}

4. A simple way to get the list subscript and its value in python

When traversing a sequence in python, we usually use the following method:

for item in sequence:
process(item)

If you want to get the position of a certain item, you can write like this:

for index in range(len(sequence)):
process(sequence[index])

5. Paging subscript generation code for web pages (PHP back-end method)

As shown in the figure, this article introduces the paging subscript generation code for web pages (PHP back-end method).

6. HTML tag superscript ^{and subscript}

When editing text, especially when editing chemistry questions or test papers, You need to set superscripts or subscripts for certain characters. For example, H2O is the molecular formula of water, and 2O2- is two oxygen ions. For subscripts, the common method is: first select these characters, then modify the "font" size, and then click the "OK" button; for superscripts, there is often nothing to do. The following blog log HTML tag code can be modified to make it beautiful and easy to read.

Related questions and answers:

1. javascript - How to display superscripts on web pages and winforms, as shown in the picture

2. Ruby’s problem with subscript method redefinition

3. objective-c - Why can the elements stored in the NSArray object be passed through the "array" Subscript" to access?

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