JavaScript

Bitwise non-operators, a simple understanding is to change the symbol of the number of operations and subtract 1. Of course, this is just a simple understanding of converting data to the number type. For typeof var! = "Number" type, during the

My colleague raised a question: How can I obtain the current file name in the JavaScript file dynamically inserted in the browser? Background My colleague raised a question: How can I obtain the current file name in the JavaScript file dynamically

Iframes is often used to load third-party content, advertisements, or plug-ins. Iframe is used because it can be loaded concurrently with the home page without blocking the home page. This is an original translation article. Original

For more information about JS advanced notes, see. JS advanced I. JS Data Types 1. Basic Type JS has five basic types: 1) Undefined. It has only one value: undefined. If a variable is defined but not assigned a value, the system will assign the

This plug-in supports any step. It has the function of calling functions before startup and the callback function after completion. Illustration: the Html5 browser is supported for better viewing experience In IE9 or earlier versions, the filter is

JScript is an active scripting language developed by Microsoft and implemented based on ECMAScript specifications. JavaScript in InternetExplorer actually refers to JScript. What is JScript? JScript is an active scripting language developed by

Last time, I talked about the differences between types and transfer. Now, I want to add some questions about type assignment. Type assignment is similar to variable transfer. You do not need to specify the basic data type. The Code is as follows:

To solve the problem of horizontal scroll bar in the Extjsgridpanel, add the following code to the gridpanel. The Code is as follows: ViewConfig :{Layout: function (){If (! This. mainBody ){Return; // not rendered}Var g = this. grid;Var c = g.

JQuery is a very good JavaScript framework. It is simple and flexible to use and plays an important role in current Web development projects. This article shares 33 excellent jQuery tutorials to show you how to use jQuery to create slides, animated

The embedded ComboBox in the EditorGridPanel usually does not display the expected field in the store of the ComboBox, but the field content specified by the store dataindex in the EditorGridPanel. To solve this problem, you need to use the renderer

Obtain the time difference, in the format of year-month-day hour: minute: Second or year-month-day hour: minute: Second The Code is as follows: /** Time Difference obtained, in the format of year-month-day hour: minute: Second or year/month/day

In the past two days, I helped my colleagues to kill the network and tried to completely separate the front-end from the back-end. I only used ajax for communication. In this way, javascript is inevitably used in a large amount, so it is difficult

For details about the modified jquery scrolling subtitle effect, refer. Final Source code: The Code is as follows:

The code for sending a request through XMLHttpRequest in JavaScript. For more information, see. The XMLHttpRequest object is divided into four parts: 1. Create an XMLHttpRequest component 2. Set the callback function 3. initialize XMLHttpRequest

Jquery operation selectoption code summary. For more information, see. 1. Obtain the selected select value and text. The html code is as follows: The Code is as follows: One Two Three You can use the following script code s to obtain the

I have encountered cross-origin access in js before, but I may not take it seriously. I may have checked the relevant information. But when I encountered this problem again in two days, it took a lot of detours to find out the cause of the problem.

When javascript performs a decimal computation, there will be a cycle of 9. The following methods help solve the problem. When javascript performs a decimal computation, there will be a cycle of 9. The following methods help solve the problem.

Recently, the project uses JqGrid, but the data in the Grid needs to be printed. The Media type in the CSS attribute is used to control the Print Style. In bytes), you can delete it before printing, and restore it after printing. The CSS style for

Some common JavaScript Functions (json) are described in detail. For details about js learning, refer. The Code is as follows: Var YX = {// Obtain the JS built-in data type. The returned values include [Date, RegExp, Number, String, Array,

The jQuery tooltip makes some small help information displayed on the website more intuitive and enhances the user experience. Below we recommend 25 best tooltip plug-ins for you: 1. jqTooltip JqTooltip2. Pop! Simple Pop Menus with jQuery Pop!