Number input box plug-in

26 Jun 2017

In recent H5 development, the amount input box was used, but there was no customized amount keyboard, so type="number" was used to call the system's numeric keyboard. According to requirements, users cannot enter content other than numbers, and the amount can only be entered to two decimal places at most. So I did some research on the number keyboard. When the user enters a non-number, the value obtained is empty, but the input box still displays the content entered by the user. For example: the user enters a, the value of the channel is empty, but the input box displays a; special case (when the user enters 2.

16 May 2016

jquery input box number limit plug-in, friends who need it can refer to it.

01 Sep 2023

In this section, we will see how to check whether a given character is a number, letter or some special character in C. The alphabet is from A–Z and a–z, and then the numbers are 0–9. All other characters are special characters. So if we check the conditions using these we can find them easily. Example#include<stdio.h>#include<conio.h>main(){ chach; printf("Enteracharacter:"); &

23 Mar 2018

This time I bring you the datepicker plug-in to monitor the input box. What are the precautions for the datepicker plug-in to monitor the input box? The following is a practical case, let’s take a look.

11 Jun 2023

In Vue, we often need to use input boxes for users to input data, but different input boxes have different restrictions and verification rules. For example, the number input box needs to limit the input of numbers only, while the text input box does not need to limit the input type. This article will introduce how to realize the difference between number input box and text input box in Vue. 1. Use the type attribute to distinguish the input box type. In Vue, you can use the type attribute to distinguish the input box into different types. For example, type="text" means text input box, type=

16 May 2016

The EnPlaceholder plug-in supports password boxes! In fact, compared with similar placeholder plug-ins, the effect is much better in browsers such as IE! Let’s discuss in detail how to use this plug-in.

16 May 2016

When using it, you can refer to some other special effects on this site.

07 Mar 2018

We all know that canvas is in HTML5. Canvas can make many special effects and other magical things. Of course, JavaScript can also do it. But have you ever played with canvas and JavaScript to achieve image special effects? If not, let’s take a look!

26 Aug 2023

How to implement image and video special effects in C++? With the development of modern science and technology today, image and video special effects play an important role in entertainment, advertising, education and other fields. As a powerful programming language, C++ provides many tools and libraries for processing images and videos. This article will introduce how to implement image and video special effects in C++ and provide some code examples. 1. Image special effects to realize image reading and saving. To realize image special effects, you first need to read and save images. There are many image processing libraries in C++ such as OpenCV and