OverviewRecently has been doing related ExtJS project, encountered a series of problems in the use of ExtJS, now will use the skill to make a record summary, so that the next time can be used quickly. The following are the common methods of ExtJS
1. Boolean type (BOOL):Boolean type, which is true or false.The following conditions are determined to be false:
Boolean value Flase
Integral type 0 is False
Floating-point 0.0
An array with no member
In the template, directly:Direct use in Ionic://translated HTMLBy default, ANGULARJS will escape any HTML tags in the interpolation instruction job expression (model), such as the following model:$scope. msg = "hello,world!"{{msg}}The rendering
1. Use jquery and jqprint to your page;Advantages: Easy to use, not a simple WYSIWYG, you can print the invisible label;Disadvantage: page CSS style must be "style= ' xxxxx '" to write on the HTML tag, the use of class= ' xxx ' method is invalid; 2.
The article is mainly about how OC calls JS and JS code call OC MethodExplain after the code firstThe code of the OC. mPS Next have JS code together parse, finally will attach demoViewcontroller.mJsandoc//Created by Dongqiangfei on 16/7/21.Copyright?
Source?? This error indicates that the root cause is only one--json parsing exception, as to the fuse of this article because of the JSON comment drip problem.The incident--a bloodbath?? One day a friend to talk to me, said with jquery ajax
Preliminary conjecture:In contact with the first stage of the framework document, you will feel that the controller call model is a very simple thing, TP use D method or M method to instantiate the model, Laravel with a namespace to load the model,
Learn the PHP conversion, there are a lot of knowledge points, logic, but also the most primitive written calculation, but we are accustomed to use code to implement the conversion, the conversion code is as follows: binary (BIN) octal (Oct) decimal
Start very confused force, completely incomprehensible, there is a position, but also up and LookAt do.[Black question face???]Since the location attribute is not clear, the default other attributes are understood.Upper axis:First Position property,
Foreword: Recently prepared to make a own web page, the design manuscript navigation I prepare to design the rectangle, also has the hover style to display the rectangle, among them some avatars and so on. In addition to drawing a circle, it seems
In this first introduction search engine included must be four steps: Crawl, filter, index, display. The amount of common sense refers to the number of Web pages that are displayed by search engines.These SEO restricted areas lead to site content
(iii) parsing of JSON arrays (multiple JSON data)For example, there is the following JSON data:[{' name ': ' John ', ' grade ': [{' Course ': ' Chinese ', ' score ': 100},{' course ': ' Math ', ' Score ': 78}]},//Note: The outermost layer of the
It can be broadly divided into 10 areas:
HTML5 form elements and attributes
Forms 2.0
Audio-visual processing
Canvas Drawing
SVG drawing
Geo-positioning
Drag-and-drop technology
Web work
Web Storage
Web
First, blow the whistle.Everyone has seen the kind of a very delicate little cake , give me the feeling is (very delicate, very good-looking, without eating too little, but also the expensive TM). So how do these cakes come out, anyway, I do not
JQuery Hidden and displayedWith the Hide () and show () two functions, JQuery supports hiding and displaying HTML elements:Instance$ ("#hide"). Click (function () {$ ("P"). hide ();}); $ ("#show"). Click (function () {$ ("P"). Show ();});View
This section summarizes the jquery selector in detail.First, the basic selector$ (' #info '); Select the element with ID info, which is unique in document, so that a unique specified element can be obtained from the selector$ ('. Infoclass ');
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