Recently, due to work needs, we mainly optimize the Web Front-end, one of which is JS optimization. js code in the project is relatively standard and all $ (function (){}) this format. However, we all know that JavaScript download is time-consuming, and its parsing and execution are blocking. Can we first download JS and parse and execute it in the Windows load e
Process Control for Loop +if Judging +math Object +array object +date object making score tableSummation Formulavar sum = 0;For (Var i=0;isum + = myarr[i][1];//alert (myarr[i][1]);//document.write (myarr[i][0]+ ' }//document.write (sum);document.getElementById (' Sum '). innerText = sum;Find Averagevar pjf = sum/myarr.length;document.getElementById (' B '). InnerHTML = Math.Round (PJF);Other small experiments that are immature and unsuccessful.//document.getelementbyid (' B '). InnerText = Math.
[Cocos2d-js tutorial] some common functions in cocos2d-js, cocos2d-js tutorial
This article by qinning199 original, reproduced Please note: http://www.cocos2dx.net/post/223
1. cc. rectIntersectsRect (ra, rb) checks whether two rectangles are intersecting. If yes, true is returned.
Use Case:
Var rectA = cc. rect (0, 0, 5, 10 );
Var rectB = cc. rect (4, 9, 5,
Warning box for Bootstrap js plug-in (alert. js) and bootstrapalert. js
Data-dismiss = "alert" -- add this attribute to the close button to enable it to automatically disable the warning box;
. Fade. in -- add an animation when the warning box is closed;
For more details, refer to the following example:
Copyright Disclaimer: This article is an original arti
This article mainly introduces the method and code for starting the script file of node. js at startup. Here, I will share it with you. If you need it, refer to it.
The Code is as follows:
#! /Bin/bash### BEGIN INIT INFO# Provides: xiyoulib# Required-Start: $ all# Required-Stop: $ all# Default-Start: 2 3 4 5# Default-Stop: 0 1 6# Short-Description: Start daemon at boot time# Description: Enable service provided by daemon.### END INIT INFO# Chkconfig
Socket. IO is a websocket library, including the client js and the server nodejs. Official Address: socket. io uses socket. io and nodejs to build a websocket Server
Socket. io can not only build the websocket service of the client, but also support the websocket of the nodejs server.
Next let me introduce how to install and configure nodejs.
Go to http://nodejs.org/javasdownloadto download the msifile. Always click next to install. The final file is
Three. js source code annotation () objects/Sprite. js, three. jssprite. js
Wuji (http://blog.csdn.net/omni360)
This article follows the "signature-non-commercial use-consistency" creation public agreement
Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL,
Three. js source code annotation (forty-nine) Material/MeshNormalMaterial. js, three. js
Wuji (http://blog.csdn.net/omni360)
This article follows the "signature-non-commercial use-consistency" creation public agreement
Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, H
Three. js source code annotation (forty-eight) Material/MeshBasicMaterial. js, three. js
Wuji (http://blog.csdn.net/omni360)
This article follows the "signature-non-commercial use-consistency" creation public agreement
Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, H
Angular. js, React. js integration, angular. jsreact. jsRequired knowledge
Requirejs, Angularjs, and Reactjs can view the relevant content written in this blog for necessary knowledge.Integrate Angular. js and React. js
In angular. angular has been mentioned in the love and hate of
Three. js source code annotation () Material/MeshFaceMaterial. js, three. js
Wuji (http://blog.csdn.net/omni360)
This article follows the "signature-non-commercial use-consistency" creation public agreement
Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL,
Three. js source code annotation (5th) Material/MeshDepthMaterial. js, three. js
Wuji (http://blog.csdn.net/omni360)
This article follows the "signature-non-commercial use-consistency" creation public agreement
Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WE
Bounce. js-Visual CSS3 animated code generation js plugin, bounce. js-css3Bounce. js is a powerful visual CSS 3 animation code generation js library plug-in. The js library plug-in provides an online APP that allows you to edit va
Node. js ~ Deployment on linux ~ Solution for accessing the node. js website over the Internet, linuxnode. js
This is the last node. subsequent articles on deploying js to linux, when we have installed node. after js, we established a website named sailsjs, and we were unab
Nested div elements. If the parent and child elements are bound to some events, the parent element event may be triggered when you click the child element at the inmost layer, the following is an example of js blocking default events and js blocking event bubbling. For more information, see section 1. event. preventDefault (); -- blocks default events of elements.
Note: The default event for clicking to jum
This article describes how to create a web calculator using node. js + express. For more information, see
Environment:
HOST: WIN10
Express installation:
1. Install express-generator
Enter the following command:
npm install -g express-generator
2. Install express
Enter the following command:
npm install -g express
3. verify whether the installation is successful
Enter the command: express-V
View help: express -- help
Project Creation:
express -e
How to Implement inheritance in js (five inheritance methods in js) and five inheritance methods in jsJs inheritance has five implementation methods:1. The first method of inheritance: Object impersonatingFunction Parent (username ){This. username = username;This. hello = function (){Alert (this. username );}}Function Child (username, password ){// Use the following three lines to append the Parent attribut
This article mainly introduces node. use q. js implements api promise. promise is a standard that describes the returned results of asynchronous calls, including correct returned results and error handling, need a friend can refer to what is promise and promise solution is what problem, please experience node callback asynchronous coding method, along with the step http://wiki.commonjs.org/wiki/Promises/A to see how it is set, here I will not go into
1. Event.preventdefault (); --The default event that blocks the element.Note: A element of the click-Jump default event,
Default event for form elements such as Button,radio,
div element has no default event
Cases:
Copy Code code as follows:
Copy Code code as follows:
var samp = Document.getelementbytagname ("a");
Samp.addeventlistener ("click", Function (e) {e.preventdefault ()},false);
Explanation: Click on the link when the normal will occur
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