JS learning notes-OO question object Creation

Question 1: Introduce the factory to solve repeated code As mentioned above, it is not difficult to find out how to create an object in JS. It is easy to create an object in basic creation methods, if multiple similar objects are created, a large

DOMContentLoaded event in JS/CSS/IMG loading sequence relationship

  DOMContentLoaded Introduction The DOMContentLoaded event is triggered: The"All DOM is loaded and triggered after JS is loaded and executed". However, if Javascript is dynamically loaded, the trigger time of DOMContentLoaded will not be

Browser cache mechanism

Recently, during PAGE analysis, we found that the status of most cached content changed to 304 during page F5 refresh. I wanted to see why. The results showed that someone in the garden had thoroughly analyzed it.  Original address: browser cache

Jquery implements preview and submission of form code sharing

Preview The form. Check the form and confirm the submission or return to refill. XML/HTML Code Copy codeThe Code is as follows: Registeration Username: Password: Email: Country: Select Country United States United Kingdom

JQuery controls that the content length exceeds the specified length to display the ellipsis

The length exceeds the specified length. The ellipsis is displayed.Set class to displayPart,Set the custom owner. displayLength can be displayed (not including...), double-byte characters, length * 2,Copy codeThe Code is as follows: Copy codeThe

An article custom segment display function implemented by jquery

 Is this display style eye-catching? If there are too many articles, the conversion will be slow. I hope you can give me some valuable comments.Copy codeThe Code is as follows: Article segmentation Precautions for append, appendTo, prepend,

JavaScript (15) jQuery Selector

JQuery SelectorThe selector allows operations on element groups or individual elements.The jQuery element selector and attribute selector allow you to select HTML elements by Tag Name, attribute name, or content.In html dom terminology, a selector

JQuery-) GET/set HTML or TEXT content

JQuery provides two APIs that can be directly used to add content to elements. Html () Text ()Where Html ()Is to add html content for the specified Element Text ()The difference between adding text content to a specified element is that the

Xml -- json

The result of converting xml Information into a json object is: & lt; scripttype & quot; text/javascript & quot; & gt; varmyObject {& quot; section & quot ;: {& quot; title & quot;: & quot; Book-SigningEvent & quot;, & quot; sig Convert xml

Jquery Array Operations

In the case of processing JSON arrays in jquery, traversal involves a lot of operations, but it seems that there are not too many operations to remove with addition. I tried json [I] today. remove (), json. after removing (I), none of them will work.

Js call () and apply () Methods

Because it is rarely used, I have never had a deep understanding of call () and apply () in js. I recently reviewed [JavaScriptTheDefinitiveGuide6thEdition] to understand what the two methods are doing. There are two paragraphs in the book that are

This in JavaScript

This in JavaScript is always confusing and should be one of the well-known pitfalls of js. I personally think this in js is not a good design. Due to the late binding feature of this, it can be a global object, the current object, or & hellip; some

Json conversion date format

Json data conversion interface JsonValueProcessor needs to be implemented when converting the date format. [java] packageorg. rps. util; importjava. text. simpleDateFormat; importjava. util. date; importnet. sf. json. jsonConfig; importnet Json data

JQueryDataTable how to update the page after deleting a row (Ajax)

It is very convenient to use Jquery DataTable to process data tables. A common problem is that the page must be updated after a row is deleted. Note the following method: Pay attention when initializing the table on the front-end page: [javascript]

One js Day (8) gets the day of a month, the day of the month, the day of week 1, and the day of the month.

Obtain the day of a month, the day of the month, and the day of the month. [Javascript] varNowdate (& quot; 2012-11-22 & quot ;). split (& quot;-& quot;), // obtain NowYearparseInt (Nowdate [0]), // NowMonthparseInt of a certain year... Obtain the

One js (9) time per day (precise to seconds)

[Javascript] varST & quot; 2010-5-139: 22: 10 & quot;, // start time: ET & quot; 2010-5-& quot ;, // startTimeMyFormatTime (ST ). getTime (), endTimeMyFormatTime (ET ). getTime (); I [Javascript]Var ST = "9:22:10", // start timeET = "9:22:11", //

One js (11) transcoding every day

[Html] & lt ;! Doctypehtml & gt; & lt; html & gt; & lt; head & gt; & lt; metacharset & quot; UTF-8 & quot; & gt; & lt; title & gt; & lt;/title & gt; & lt; style & gt;/* reset */body, div, dl, dt, dd [html]         Transcoding and Decoding in js   

Use jquery + iframe for ajax upload

The following is the self-learning itnet-intermediate class Notes html page [html] & lt ;! DOCTYPEhtmlPUBLIC & quot;-// W3C // DTDXHTML1.0Strict // EN & quot; http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">< The following is the course

Common Function Methods in jQuery

Summary of Common Function Methods in jQuery Ajax processing load (url, [data], [callback]) url (String): HTML web site to be loaded. Data (Map): (optional) key/value data sent to the server. Callback (Callback): (optional) load... Syntax Summary of

ExtJS4 top applications: editable and checkable treegrid

Make an editable, checked treegrid. The code is quite concise: see the code: Make an editable, checked treegrid. The code is quite concise: see the code: [javascript] viewplaincopyprint? & Lt ;! DOCTYPEHTMLPUBLIC & quot;-// W3C // DTDHT... Make an

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