First look at a JS function
Copy Code code as follows:
function Jsontest ()
{
var json = [{' username ': ' crystal ', ' userage ': '},{' username ': ' Candy ', ' userage ': ' 24 '}];
alert (json[1].username);
var json2 = [[' Crystal ', '],[' Candy ', ' 24 ']];
Alert (json2[0][0]);
}
This function, the first alert (json[1].username); Will prompt "Candy". A JSON variable is an array object. So you want to use a fo
This article describes the JS implementation of the hidden sibling elements, only the content of the JS file display method. Share to everyone for your reference, specific as follows:
The demo.html file here will briefly display the elements of the same level as the JS file after it is opened, and display the contents of the Demo.js file at the same level. The s
Most of the time may use JS to get the current time, and then based on the year, month, day to regroup into the string you want, now I want to get the current time in the form of the 2011-05-06,
JS getFullYear () can return, getmonth () only returns the integer from 0-11, GetDate () returns the integer from 1-31, that how to get to 05 and 06 of such strings in a relatively simple way, In substr and substrin
Because the JS URL in the process of passing value is JS own default character set code rules, we must turn it into our own code specifications
-------------using Url=encodeuri (encodeURI (URL)) in WebSphere; 2 times encodeURI Test succeeded, the first conversion did not attempt,
Processing method One.
JS Program code: Url=encodeuri (URL); Note that the entire UR
[Switch] JS function set Daquan, js function Daquan
1.doc ument. write (""); Output statement
2. Comments in JS are //
3. The traditional HTML document sequence is: document-> html-> (head, body)
4. the DOM sequence in a browser window is: window-> (navigator, screen, history, location, document)
5. Get the name and value of the element in the form: document. get
How to install Node. js on Linux and Node. js on Linux
Node. js is built on Google's V8 JavaScript engine server software platform. Node. js is the preferred solution in JavaScript for building high-performance server-side applications. What makes it so popular to use a huge ecosystem of Node.
Date: December 15, 2016 Talk about basic grammar first; Most are to operate the form; JS dynamic effects and data interaction (Ajax? ) JS also has its own API JS most of the DOM operations are for input. Case study, a simple check on the registration page, a box for null values or incorrect values, and then learn to write the data on the page later.
JS function set overview, js function set1.doc ument. write (""); Output statement2. Comments in JS are //3. the traditional HTML document sequence is: document-> html-> (head, body) 4. the DOM sequence in a browser window is: window-> (navigator, screen, history, location, document)5. Get the name and value of the element in the form: document. getElementById ("
Objective
After the dragon looked up, March entered the third week. Today morning reading articles from @ NET to see the fish authorized to share.
The text starts from here ~
Recently found that there are a lot of JS single-threaded operation mechanism of the article, but found that a lot of information is only a part of the knowledge, and the different places of the statement is not uniform, easy to create confusion.
So prepare to comb this piece of
This article mainly introduces the most popular Node. introduction to js concise and full-stack development frameworks, this article explains Express. js, KOA, Total. js, Sails. js, Meteor, Mean. i/O and other frameworks. For more information, see
Rapid development, easy scalability, high performance, and robust robus
This article is mainly to JS get the current address JS get the current URL of the sample code is introduced, need friends can come to the reference, I hope to help you. nbsp; Code as follows: ; nbsp;
DemandThe list is sorted by an ID first, followed by an attribute with the same ID. Final Display effect:Implementation codevar Data.Items =[{' brand_id ':1,' farm_id ':2}, {' brand_id ':1,' farm_id ':3}, {' brand_id ':2,' farm_id ':4}]function Multisort(Array,...compairers){ return Array.Sort((A,b= { for(ConstC of Compairers){ ConstR= C(A,b; if(r!== 0){ returnR; } } });}Multisort(Data.Items,(A,b= a.brand_id - b.b
1. JS data types are divided into: numeric, Boolean, stringWith typeof you can see what the specific data type is.Example:2.js composite data type: divided into arrays, objects3. Special data type: null, var a=null;Undefine4.parseInt (); cast into integers;5. A+=90 =>a=a+90;B+=a =>b=b+a;B%a modulo, that is to take the remainder
I was in the debugging code, with the execution of JS code, generally by using alert in the code block to view the implementation of the JS code, today is also to see friends using the Console.log function to print output functions, variables, objects, The following is used to record the use of Console.log, the specific syntax is:
Console.log ("value is:", FN);
Console.log () Can output variabl
parameters:
If (engine implements invocable)
((invocable) engine). Invokefunction ("Afunction", param1, param2);
If the scripting language is Object oriented, you call can a as this:
Code View:
((invocable) engine). InvokeMethod (Implicitparam, "Amethod", explicitParam1, EXPLICITPARAM2);
6) Compiling a Script
Reader reader = new FileReader ("Myscript.js");
Compiledscript script = null;
If (engine implements compilable)
Compiledscript script = ((compilable) engine). compile (reader);
if
The page uses DateTimePicker to get the data type "12:12:12" if the input "11:11:11" to automatically calculate the time difference code as follows:
var a= "12:49:00", b= "14:49:00";
S=a.split (":");
E=b.split (":");
var Daya = new Date ();
var Dayb = new Date ();
Daya.sethours (S[0]);
Dayb.sethours (E[0]);
Daya.setminutes (S[1]);
Dayb.setminutes (e[1]);
Alert ("B more than A:" + (Dayb-daya)/1000/60+ "minutes")
The above JS time comparison
Hover mouse over the picture:
Onmouseover= "MouseOver ()" onmouseout= "Mouseout ()" >
JS Display weather forecast:
www.cxybl.com
"Http://m.weather.com.cn/m/pn11/weather.htm" width= "
JS use focus to achieve the choice of Web site:
www.cxybl.com
var i = 1;
var Focusid;
function Defau () {
document.getElementById ("1"). focus ();
focusid=1;
}
function showtable () {
var id = i + 1;
docume
JSON (JavaScript Object notation) is a lightweight data interchange format that takes a completely language-independent text format, and JSON is a JavaScript native data format.
Here are two ways of adding JSON data to JS arrays.
The first way
Personinfo
: [], for
(var i = 0; i
The second way
var passengerinfo = {};
Passengerinfo.psgtypedesc = Psgtypedesc;
Passengerinfo.flightprice = Flightprice;
_stage.passengerinfoarray.push
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.