Home > Developer > JavaScript

Js click the text box to pop up the selectable checkbox check box,

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

Js click the text box to pop up the selectable checkbox check box,

This article shares a code example. When you click the text box, the checkbox check box in the drop-down box is displayed. You can select the check box to write the value to the text box, it may not be so straightforward and simple in practical application, but it can be demonstrated as an example to facilitate the learner's understanding and expansion.
The Code is as follows:

<Html> 

The above Code meets our requirements. Next we will introduce its implementation process.
Code comment:
1. $ (function (){}),After the document structure is fully loaded, execute the code in the function.
2. var position = $ ("# xx"). offset (),Get the offset of the text box relative to the document. The offset () function returns an object that contains the left and top attributes, indicating the horizontal and vertical offset relative to the document, respectively.
3. $ ("# div1"). offset ({top: position. top + 22, left: position. left }),Set the Relative document offset of the pop-up drop-down menu container. The first plus 22 is used to display it under the text box.
4. $ ("# xx"). click (function () {$ ("# NG"). toggleClass ("open ");}),Register the click event handler for the text box. click it to switch to the style class open Delete and add, that is, set the display and hide of the drop-down menu.
5. $ ("# div1 input [name = ng]"). click (function (){}),Register the click event handler function for the text box whose value is ng.
6. var arr = new Array (),Create an array to store the value of the checkbox check box.
7. $ ("input [name = ng]: checked "). each (function (key, value) {arr [key] = $ (value ). val ();}),Store the value of the selected check box to an array.
8. $ ("# xx"). val (arr. join (","));,Concatenates array elements into strings and writes them into the text box.


I hope this article will help you learn about javascript programming.

Articles you may be interested in:

 
    
 
  
  • Javascript checks whether a single sequence or check box selects a method collection
    • 
 
  
  • Jsp check box usage
    • 
 
  
  • Code for JSP single-choice button verification, drop-down box verification, and check box Verification
    • 
 
  
  • Js checkbox usage highlights
    • 
 
  
  • Js to obtain the value and operation of a single sequence or check box
    • 
 
  
  • How to dynamically Add a Checkbox instance in Js
    • 
 
  
  • Example of the option selected by js to obtain the checkbox check box
    • 
 
  
  • A drop-down box with check boxes implemented by js + csss
    • 
 
  
  • JS implementation click the check box to change the button or text box to gray unavailable Method
    • 
 
  
  • Js achieves the pop-up layer effect of the Discuz text box
    •

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
wordpress the field how to create text box html draw box sign up js products bump box wordpress text box plugin input text box html check gmail box
Related Article
JavaScript solution to the eight Queens Problem method summar...
The difference between single and double quotes in JavaScript...
Http status code: 301, 302 redirection, 302 redirection

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

What's Trending
Top 10 Tags
datastax versions naming convention zookeeper client class definition md5 microsoft sql server 2005 data structures exception handling error handling
Top 10 Keywords
microsoft download center down wordpress address url site address url wordpress address url windows installer 4 0 download 302 not found web address url definition site address url wordpress db2 integer mac os installation step by step pdf abbreviation for return

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More