The form of Extjs automatically loads data (data is loaded through the agent of Ext. data. Model)

A problem occurred during project creation. When double-clicking a row of data on the grid page, double-click the row to automatically load the data to the double-click Page (Ext pop-up box ), you can use this. down (''form ). getForm (). loadRecord

Nodejs npm install global installation and local Installation

Npm package installation can be divided into local installation and global installation. from the command line, the difference is-g. For example:Copy codeThe Code is as follows:Npm install grunt # local InstallationNpm install-g grunt-cli # global

WTF Forms-Forms with better user experience using CSS

WTF formsCSSProvides friendly HTML form controls for IE9 + and the latest Chrome, Safari, and Firefox browsers. With the improvement of the file input control, the label is used to enclose the foreign trade of the input. Therefore, the custom

Node. js (2) --- event Module

Introduction and Materials Http://nodejs.org/api/events.html Http://www.infoq.com/cn/articles/tyq-nodejs-event Events is the most important module of node. js. The events module provides only one events. EventEmitter object. The core of EventEmitter

Js Code automatically jumps from wap browser to wap page

How can I enable the user to automatically jump to the wap website when entering the wap mobile website URL?How does one implement automatic jump of wap pages?How can I determine whether a visitor is accessed by a mobile device and automatically

Detailed description of encryption and decryption of JavaScript programs

Today we are going to introduce the encryption and decryption methods in JavaScript. We should be clear that it is impossible to keep javascript code confidential because it is interpreted and executed in IE, what we need to do is to increase the

Special JavaScript character replacement and replacement of all strings

Special JavaScript character replacement and replacement of all strings 1. Replace all characters to be replaced & lt; scripttype & quot; text/javascript & quot; & gt; varstr & quot; $ HelloWorld! $ HelloWorld! $ HelloWorld! & Quot; // set all

Map implemented by javascript (combined with jquery)

First, implement the remove Method of Array: Map is implemented based on array. This code is written by a person. During my test, the remove Method of map cannot be used, so I wrote the above array. remove Method viewplaincopytoclipboardprint?

Number (), parseInt (), and parseFloat () Numerical Conversion

There are three functions that can convert non-numeric values into numeric values: Number (), parseInt (), and parseFloat (). The first function, that is, the transformation function Number (), can be used for any data type, and the other two

JavaScript advanced events, registration events, and a large number of examples (8)

I am going to work with you to learn how to handle events and events. This article is still widely used and I hope you will like it. 1. Move the mouse over the element and display the tooltip. 1. Basic events in level 0 DOM 1. events as Html

JQuery method Query

1. Core: $ is an alias of the jquery class. $ () constructs a jquery object. jQuery's core functions are implemented through this function. Everything in jQuery is based on this function, or is using this function in some way. 21, $ {expression}:

Make five javascript details, so don't let people see that you are bad.

JavaScript has a bad reputation on the Internet, but it is hard for you to find another language that is so dynamic, so widely used, and so rooted in our lives. Its low learning threshold makes many people refer to it as a pre-school scripting

Jqueryajaxphp without refreshing resume (photo upload and cropping)

For more information about flowchart image uploading, see blog image uploading. The basic process is the same. You have modified some methods suitable for this function. Refer to the source code plug-in List 1. JQUERY plug-in 2. Select imgareaselect3

Node. js operations on postgresql databases

1) return the query results to the client. Generally, the query results must be displayed. Otherwise, the query will be meaningless. In node. js, how does one return the queried data to the postgresql database? (1) select. js [javascript] & lt;

Rating by Jquery Rating (excellent Version)

Feature: multiple stars can be used on the same page. The number of stars is not affected by each other. You can customize the default stars. After selecting a star, you can customize the rating description for the stars. js Code: [javascript]

ForEach of Javascript Array Traversal

1. js array looping. Array loop variables, the first thought of is the for (vari0; I & lt; count; I ++) method. In addition, you can also use the relatively simple forEach method 2. forEach function. The Array types of Firefox and Chrome both have

Highcharts translation series 7: loading options and navigation options

Highcharts translation series 7: loading option and navigation option 1. loading option parameter description default value hideDuration fade-out effect duration (in milliseconds) 100w.labelstyle: {fontWeight :... Highcharts translation series 7:

JavaScript quirks 2: Two "null values": undefined and null

Body: For null or empty references, most programming languages have only one value. For example, null is used in Java. However, Javascript has two special values: undefined and null. They are basically the same, but their usage is slightly different.

Conversion Method Between jQuery object and DOM object

What is a jQuery object? --- It is the object generated after DOM object is packaged using jQuery. JQuery objects are unique to jQuery and can be used in jQuery. For example, getting ("{test"}.html () indicates getting the html code in the

How to prevent copy, cut, and paste events

In some applications, sometimes when we submit important information such as the Form Content (password), to ensure security, we need to prevent some copy, cut, and paste events, today I made a simple example about blocking copy, cut, and paste

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