JavaScript

Use javascript to control the insertion of text at the cursor position, which will be used when the expression is inserted. If you need it, refer to the code and use javascript to control the insertion at the cursor position. Used to insert an

Many js files are often referenced in information management projects such as OA, MIS, and ERP, which requires technologies such as dynamic loading, caching, updating, and reuse, next we will discuss the scope of use: Websites are not considered

This article mainly introduces how to read and paste the clipboard on a webpage, that is, you can paste the clipboard Ctrl + V into an input box on the webpage, such as QQ, trademanager, or other software, for more information, see the screenshot

This article mainly introduces the introduction and examples of caller and callee attributes in js. For more information, see I. caller Returns a reference to the function that calls the current function. FunctionName. caller The functionName

JQuery provides three methods to change the style of page elements. Although they share the same idea with traditional methods, they save a lot of code. We often use Javascript to change the style of page elements. One of the methods is to change

Next, we will review the javascript knowledge involved in the Code by breaking down this statement. If you need it, you can refer to the earlier shortest IE determination. with IE, vertical tabs are not supported. The Code is as follows: Var ie =

This article mainly introduces two methods for jQuery to obtain and set HTML or TEXT content. If you need jQuery, you can refer to the following two APIs that can be directly used to add content to elements. Html () Text () Here, html () adds

In order to more intuitively display the number of words you have entered in the text box, and some special requirements do not exceed the number of words, this article provides specific implementation requirements to more intuitively reflect the

This article mainly introduces the implementation code of disabling the Enter key form for automatic submission. For more information, see The Code is as follows: // Disable automatic submission of the Enter key formDocument. onkeydown =

One requirement is to verify the existence of the user name asynchronously. JQuery Asynchronous Authentication and struts2 are used. You can refer to the requirement to verify the existence of usernames asynchronously. The technology used is jQuery

In object-oriented programming, many languages support function overloading and can perform different operations based on different numbers and types of parameters passed by functions. JS does not support it, we need to do some extra small actions.

I have been learning Javascript recently. I plan to write some articles and write my own learning experience. It can be considered a learning note. I don't want to write anything without system knowledge. I mainly want to write something that I

This article mainly introduces the usage of addEventListener. For more information, see (note that p must be placed before js) Generally, If you bind a dom object to the same event, only the last event will take effect. For example: The Code is

This article mainly introduces how to disable the Tab key. JS code is compatible with Firefox and IE. For more information, see The Code is as follows:

This article mainly introduces the javascript page rendering speed test script to calculate the time required by the browser to render HTML pages. For more information, see The Code is as follows: /* Get the start timestamp of rendering and save

Although DIV + CSS is widely used in page layout, using table in many places still has many advantages. It is convenient to use table to display data, the following describes the methods commonly used in jQuery to operate Tabletrtd. Note these

Jvasloud computing retains one or two decimal places. It has four different effects and is very suitable for mall websites. For more information, see 1. Clear the decimal point: The Code is as follows: Function returnFloat0 (value ){Value = Math.

This article mainly introduces two examples of Javascript sort algorithms for merging and sorting. For more information, see Merge sort) is an effective Sorting Algorithm Based on the merge operation. This algorithm is a very typical application of

The eval method is used to assign the method represented by the passed method name to the func attribute of method1 as an object. For more information, see The Code is as follows: Function (){Alert ("fun ()");}Function B (){Alert ("fun B ()");}

In front-end Web development, we often need to determine the Data Type of variables. Since ECMAScript is loose, there is a need to detect the Data Type of a given variable-typeof is the operator responsible for providing this convenient information.