JavaScript

Throttle: Ignore all calls within a certain period of time. Debounce: If no call is made at a certain interval, we will introduce the Throttle & amp; Debounce application. If you are interested, refer to the following: Throttle Ignoring all calls

It is necessary to rotate images from any angle in some applications. Now there is a JQuery plug-in that can be used. Next, let's introduce how to use it. For more information, see, we hope to help introduce jquery below. rotate. js file, and then

Recently I used the formula for calculating the distance between two points on the earth's surface based on latitude and longitude, and then implemented it using JS. Based on the fact that the earth is a smooth sphere and not a real sphere, there

In WEB projects, jQuery is often used for AJAX requests. after net3.5, the previously written request statements have some minor issues, that is, the returned results are always xml, rather than JSON. add the contentType: "application/json; charset =

I recently read some basic JQuery tutorials, which are deeply attracted by JQuery. I have used Extjs before. I can't help but sigh when I read JQuery. It's amazing that javascript can be used! I have posted some learning achievements here, hoping to

I believe most people will make mistakes in these two methods. You can view the API documentation carefully. Eq returns a jquery object, and get returns an array of html objects. For example: YuUse eq to obtain the color value of the first p Tag: $

In javascript learning notes (8), we mainly learned how to create objects and add object attributes and methods when using javascript object-oriented programming. When using object-oriented programming, the inheritance relationships between objects

When you use jquery to obtain the ddl value of the drop-down list, the returned string is 'null' instead of a null value. As a result, the obtained parameter is incorrect. Do you know if you have encountered such a situation? When you use jquery to

This is an old topic. The reason is that the browser has been improving. The best method in the past is not necessarily the best. 1. How to connect strings? First, let's review the two common methods of string connection: 1.1 Use the String

The extended implementation code of some Array and String prototype objects collected. For details about js learning, refer. It can also customize the expansion of string and array data. From the worry-free script collection, some are indeed good,

The Google static map documentation is very detailed, so it is not a long time! The Code is as follows: Google static map API

This is a small game that we will bring to you: plane. Er... I can't write any amazing games myself. I can only write small games, with a small amount of code, and I can learn from them. I mainly think about the ideas and the code is large, it is

IsPlainObject is a new method provided after Jquery1.4 to determine whether the object is a pure object (created through {} Or newObject ). IsPlainObject is a new method provided after Jquery1.4 to determine whether the Object is a pure Object

I have explained in detail the implementation principle of the prototype chain in the article understanding the principle of Javascript_05 _ prototype inheritance. We all know that the prototype chain is created based on objects (no objects, which

In many cases, random numbers are required, so we have provided some specific instructions for use. In many cases, random numbers are required. Here are some specific instructions for use. Js random number base1. javascript random number function

When using CSS to create navigation menus, we mainly use the lia attribute of css to improve the effect of making more beautiful menus with css in the future. Method 1: directly write the code for implementation The effect is as follows: The Code

This method is very common. For example, you can use it to verify whether the input date exists. If it is a non-existent date, the return value will be NaN, in addition, it can be used to compare the order of two dates or calculate the number of

Analyze the javascript data types. This time, we will only briefly discuss javascript data type detection. We hope you will continue to give your comments. I. javascript data Javascript data is divided into two types: simple data and complex data.

Password strength is a common function and is relatively simple. It is mainly about how to develop this strength rule. Preface: Password strength is a common function and is relatively simple. It is mainly about how to develop this strength rule.

Recently, I encountered a problem when I developed the image display function for xuele.com: There are two rows in a table, and the picture is displayed on the top (the size is random). The following shows the description of the image (the text