This series of blogs focuses on notes in the process of learning JavaScript Advanced Programming (third edition).A complete web-side JavaScript implementation should have three main components: The language core ECMAScript, the Document Object Model
A. In usage
For...inEnumerates all enumerable properties of an object
Detecting Dom/bom Propertiesif ("onclick" in Elem) { //element supports Onclick}if ("onerror" in window) { //window supports onerror}
Detecting the
Previously, because of the needs of the project, we need to convert the string with Chinese into byte array and image data, and then pass it to the server side with binary data.Before, see online has the use of Array.prototype.map.call (str,
I. BASIC formatIndent inRecommended 4 spaces per level, can be set to the editor tab = 4 spaces, automatic conversionSemicolonDo not omit the semicolon to prevent the ASI (auto-insert semicolon) errorLine widthEach line of code is less than 80
First, Strict mode1. ECMAScript5 introduced the concept of strict pattern (strict mode). The intent is to define a different parsing and execution pattern for JavaScript.2, the difference in strict mode:(1), some uncertain behavior will be processed.
Addition and subtraction of dates in js
JavaScript code example for date addition and subtraction. Because JavaScript does not have the AddDays method similar to C #, you need to write a function to implement date addition and subtraction.
Today,
Javascript to disable the warning bar at the top of the IE imitation
Similar to the warning toolbar on the top of windows IE, with the close button, the design is still exquisite. You can use your own webpage for display and other aspects. If you
Simple and complex jsp (small knowledge), and small knowledge of jsp
PageEncoding and contentType attributes in the page tag in JSP
The default value of pageEncoding is the default attribute of ISO-8859-1 contentType: text/html;Charset =
Create custom AngularJS commands: Part 4 transclude and restrict Introduction
In the 3rd articles in this series, I introduced how to pass parameters to external functions defined in commands in an isolated scope attribute (some tips are needed at
Html css -- learning of margin and padding, marginpaddingHttp://www.cnblogs.com/fengyv/p/3789333.html when you are learning margin and padding is not done, -- what his mother's padding, what his mother's margin. Haha, I didn't understand it at first,
Javascript captures keys pressed on the keyboard.
A small demo uses js to capture the key on the keyboard and then display the corresponding code value.
press the key on the keyboard, the corresponding code is displayed in the text box
Details of this usage examples in js and details of jsthis instances
This example describes how to use this in js. Share it with you for your reference. The details are as follows:
1. Point to window
Global Variables
Alert (this) // Returns [object
Jquery determines whether the single-choice button radio is selected, jqueryradio
This example describes how jquery checks whether the single-choice button radio is selected. Share it with you for your reference. The details are as follows:
The
[ExtJs] query of the grid with paging table component interacting with the background database
ExtJs table component Grid can be paged, And it interacts with the background database anytime, anywhere. Just like the List table control in VC's
Jquery allows you to drag and drop the slider to select numbers.
This document describes how to select a number by dragging and dropping jquery. Share it with you for your reference. The details are as follows:
This is an exquisite and practical
What can we do with a colorful pseudo-element? (Conversion) Articles shared by others, found very good, decisive collection, shine
Pseudo element:beforeAnd:afterWhat you can do is amazing. For each element on the page, you have two elements that are
Use the console for Performance Testing
The built-in development tools of various browsers provide a console object. It mainly has two functions: displaying error information during webpage code running. Provides a command line interface to interact
JQuery plug-in scroll for seamless scrolling
Today, we will share with you a jquery. scroll plug-in for seamless Page scrolling. Supports Top, bottom, left, and right, fade in and out, scroll time settings, animation time settings, mouse stop
Javascript outputs the current time in real time
The real-time display time on the webpage not only adds color to the webpage, but also helps the viewer master the current time. In order to improve the website development speed, the main code can be
JQuery remembers the username and password to enable automatic login next time. jquery automatically logs on
Jquery stores user names and passwords in cookies
You need to import jquery. js and jquery. cookie. js
test cookie User Name:
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