Home Web Front-end JS Tutorial Ajax traverses jSon to modify and delete data

Ajax traverses jSon to modify and delete data

Apr 03, 2018 am 10:03 AM
ajax javascript json

This time I will bring you Ajax traversal jSon to modify and delete data , what are the precautions for Ajax traversal jSon to modify and delete data, the following is a practical case, Let’s take a look.

No more nonsense, I will just post the code for you. The specific code is as follows:


$.ajax({
url: "/business/findpersons.json",
dataType: "json",
type:"GET",
success: function(doc) {
var objs=eval(doc);
for (var i = 0; i < objs.length; i++){
var personid=objs[i].personId;
var name=objs[i].personName;
var email=objs[i].personEmail;
var sector=objs[i].personSector;
var position=objs[i].personPosition;
var password=objs[i].personPassword;
$("#personList thead").append(
"<tr>"+ 
"<th>"+name+"</th>"+ 
"<th>"+password+"</th>"+
"<th>"+email+"</th>"+
"<th>"+position+"</th>"+
"<th><input type=&#39;button&#39; value=&#39;删除&#39; name="+i+" class=&#39;deletePersonBut&#39;></th>"+
"<th><input type=&#39;button&#39; value=&#39;修改&#39; name="+i+" class=&#39;updataPersonBut&#39;></th>"+
"</tr>" 
);
var getA = "#personList .deletePersonBut[name="+ i + "]";//就这里获取的原因,那个i=objs.length的原因,感觉应该就是闭包的问题。 
$(getA).click(function(){ 
var thid=$(this).parent();
var pid=thid.children(".deletePersonBut").attr('name');
alert(objs[pid].personId); 
});
var getA = "#personList .updataPersonBut[name="+ i + "]";//就这里获取的原因,那个i=objs.length的原因,感觉应该就是闭包的问题。 
$(getA).click(function(){ 
var thid=$(this).parent();
var pid=thid.children(".updataPersonBut").attr('name');
alert(objs[pid].personId); 
});
} 
}
});
Copy after login
I believe you have mastered the method after reading the case in this article. Please come for more exciting information. Pay attention to other related articles on php Chinese website!

Recommended reading:

How to implement AJAX request array

How to deal with ajax parameters that are too long and cannot be submitted

The above is the detailed content of Ajax traverses jSon to modify and delete data. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Performance optimization tips for converting PHP arrays to JSON Performance optimization tips for converting PHP arrays to JSON May 04, 2024 pm 06:15 PM

Performance optimization methods for converting PHP arrays to JSON include: using JSON extensions and the json_encode() function; adding the JSON_UNESCAPED_UNICODE option to avoid character escaping; using buffers to improve loop encoding performance; caching JSON encoding results; and considering using a third-party JSON encoding library.

How do annotations in the Jackson library control JSON serialization and deserialization? How do annotations in the Jackson library control JSON serialization and deserialization? May 06, 2024 pm 10:09 PM

Annotations in the Jackson library control JSON serialization and deserialization: Serialization: @JsonIgnore: Ignore the property @JsonProperty: Specify the name @JsonGetter: Use the get method @JsonSetter: Use the set method Deserialization: @JsonIgnoreProperties: Ignore the property @ JsonProperty: Specify name @JsonCreator: Use constructor @JsonDeserialize: Custom logic

How to get variables from PHP method using Ajax? How to get variables from PHP method using Ajax? Mar 09, 2024 pm 05:36 PM

Using Ajax to obtain variables from PHP methods is a common scenario in web development. Through Ajax, the page can be dynamically obtained without refreshing the data. In this article, we will introduce how to use Ajax to get variables from PHP methods, and provide specific code examples. First, we need to write a PHP file to handle the Ajax request and return the required variables. Here is sample code for a simple PHP file getData.php:

In-depth understanding of PHP: Implementation method of converting JSON Unicode to Chinese In-depth understanding of PHP: Implementation method of converting JSON Unicode to Chinese Mar 05, 2024 pm 02:48 PM

In-depth understanding of PHP: Implementation method of converting JSONUnicode to Chinese During development, we often encounter situations where we need to process JSON data, and Unicode encoding in JSON will cause us some problems in some scenarios, especially when Unicode needs to be converted When encoding is converted to Chinese characters. In PHP, there are some methods that can help us achieve this conversion process. A common method will be introduced below and specific code examples will be provided. First, let us first understand the Un in JSON

PHP vs. Ajax: Solutions for creating dynamically loaded content PHP vs. Ajax: Solutions for creating dynamically loaded content Jun 06, 2024 pm 01:12 PM

Ajax (Asynchronous JavaScript and XML) allows adding dynamic content without reloading the page. Using PHP and Ajax, you can dynamically load a product list: HTML creates a page with a container element, and the Ajax request adds the data to that element after loading it. JavaScript uses Ajax to send a request to the server through XMLHttpRequest to obtain product data in JSON format from the server. PHP uses MySQL to query product data from the database and encode it into JSON format. JavaScript parses the JSON data and displays it in the page container. Clicking the button triggers an Ajax request to load the product list.

Quick tips for converting PHP arrays to JSON Quick tips for converting PHP arrays to JSON May 03, 2024 pm 06:33 PM

PHP arrays can be converted to JSON strings through the json_encode() function (for example: $json=json_encode($array);), and conversely, the json_decode() function can be used to convert from JSON to arrays ($array=json_decode($json);) . Other tips include avoiding deep conversions, specifying custom options, and using third-party libraries.

PHP and Ajax: Ways to Improve Ajax Security PHP and Ajax: Ways to Improve Ajax Security Jun 01, 2024 am 09:34 AM

In order to improve Ajax security, there are several methods: CSRF protection: generate a token and send it to the client, add it to the server side in the request for verification. XSS protection: Use htmlspecialchars() to filter input to prevent malicious script injection. Content-Security-Policy header: Restrict the loading of malicious resources and specify the sources from which scripts and style sheets are allowed to be loaded. Validate server-side input: Validate input received from Ajax requests to prevent attackers from exploiting input vulnerabilities. Use secure Ajax libraries: Take advantage of automatic CSRF protection modules provided by libraries such as jQuery.

PHP and Ajax: Building an autocomplete suggestion engine PHP and Ajax: Building an autocomplete suggestion engine Jun 02, 2024 pm 08:39 PM

Build an autocomplete suggestion engine using PHP and Ajax: Server-side script: handles Ajax requests and returns suggestions (autocomplete.php). Client script: Send Ajax request and display suggestions (autocomplete.js). Practical case: Include script in HTML page and specify search-input element identifier.

See all articles