JavaScript

How to Implement Dynamic Loading of grid in ExtJs seems to be unknown to many friends. The following is a good example. I hope to help you with the complete Ext3.3 package. Ext3.3 Chinese Document The data table structure is: table> record> Field

When span is clicked, all div and body events are triggered. To prevent such occurrence and use a Simulated Event. The specific implementation is as follows. If you are interested, refer The Code is as follows: Click Show Hidden content

This article will introduce a security BUG in IE, which can be used to track users' system mouse positions. For more information about the private features of MS $, see DHTML in IE. It is interesting to see event. screenX and event. screenY, which

When the Chinese parameters are passed directly in the url, the Chinese characters read are garbled characters. How can we convert these parameters, next, I will share with you the skills to convert strings into UTF-8 or gb2312 encoded parameters.

Recently, alert immediately pops up when the js function is called as in the flash project, and the browser will be stuck in the Firefox browser. In this way, we will rewrite alert and let alert pop up a custom div bullet layer to achieve the prompt

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

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

SetTimeout is often used in Javascript to delay the execution of a function. After this sentence is executed, the alert window pops up with a delay of 1 second. Next, we will introduce the usage of the JavaScript call stack and setTimeout, if you

Click "cell selection" and use the direction key to change the selected cell. Press the Enter key or double-click the cell to enter the Editable state. When the cell loses focus, save the modified content. Function: Click "cell selection" and use

The reason why I named it a stable version is that I have already shared a primary version, and there are many bugs in the previous primary version. Now, after repeated research and experiments, we have fixed many shortcomings in the previous

Recently, webapps on mobile phones need to be used in many scenarios, such as tab switching and image carousel. You need to support gestures and mouse clicking, so you just created a webapp Based on jquery, each parameter has a detailed description.

Document. getElementById is a public standard and supported by all mainstream browsers, document. all only supports IE, document. layers is the proprietary document of Netscape4.x. all is a proprietary attribute of IE 4.0 and later versions. It is a

This plug-in was introduced in the previous JQuery template plug-in-jquery. tmpl. Sometimes we need to use dynamic ajax to load templates or data, and load different templates based on url parameters or other information. The data is in the previous

During Normal coding, you often need to splice strings. For example, if json data is displayed in HTML, String concatenation and logic mixing will obscure the code, increased collaboration and maintenance costs. The front-end template mechanism can

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

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.

You need to use a scroll bar to load the data drop-down list (for example, if there are 1000 data entries, the drop-down list will show only 100 entries. When you scroll down to the bottom, load the next 100 records, so loop) This requirement seems