selenium javascript tutorial

";break;case5:x="Todayit'sFriday";break;case6:x="Todayit'sSaturday";break;} X running result: Todayit'sSaturday Default keyword Use the default keyword to specify what to do when the match does not exist: Instance If today is not Saturday or Sunday, the default message will be output: varday=newDate().getDay();switch(day){case6:x="Todayit'sSaturday";break;case0:x="Todayit'sSunday";break;default:x="LookingforwardtotheWeekend";} Running result of x Todayit'sSaturday The above is the content of the

JavaScript: Pay attention to the test method of the RegExp object in JavaScript. Javascript tutorial The RegExp object in javascript is used for operations related to regular expressions. This object provides a method test to determine whether a string meets a certain patter

Timing of JavaScript advanced tutorial (lesson 3) events and browser recognition With the increasingly rich JavaScript, we can develop more and more complex applications. In the last course, we learned how to use JavaScripts to write Cookies. Today we will learn how to add the timing function. The time-based timing function is very useful in browsers, and can

HTML Dom tutorial 49-javascript number object In JavaScript, numbers are a basic data type. Javascript supports the number object, which is the packaging object of the original value. When necessary, JavaScript will automatically convert between the original data an

" (x==y) in the strict comparison operation,=== is the identity of the operator, while checking the expression value and type, the following if conditional statements return false:var x=10;vary=;if (x===y) This error often appears in the switch statement, The switch statement is compared using the identity calculation character (= = =): The following instance executes alert popup: Varx=10;switch (x) { case10:alert ("Hello");} The following instances do not execute because of type inconsistency a

viewing CPU execution time and memory consumption:This is not familiar, do not say more, or please refer to the end of the link.Audits label pageThis is useful for optimizing front-end pages and speeding up page loading (quite with YSlow):Click the Run button, you can start analyzing the page, you can see the analysis results are finished:It can even analyze what CSS is not being used in the style sheet on the page:Console tab pageIs the JavaScript c

PhantomJS quick start tutorial (WebKit for JavaScript APIs on the server side) and phantomjswebkit PhantomJS is a WebKit-based server-side JavaScript API. It fully supports the web without the support of the browser. It is fast and native supports various Web standards: DOM processing, CSS selector, JSON, Canvas, and SVG. PhantomJS can be used for page automation

How to dynamically load events in the Javascript tutorial This article mainly gives a detailed summary of several methods for loading events in js. If you need it, please refer to it and hope to help you. Some methods to dynamically load javascript events sometimes We often need to dynamically add events in JS, which involves browser compatibility issues. The fo

primarily performance-optimized, including viewing CPU execution time and memory consumption:This is not familiar, do not say more, or please refer to the end of the link.Audits label pageThis is useful for optimizing front-end pages and speeding up page loading (quite with YSlow):Click the Run button, you can start analyzing the page, you can see the analysis results are finished:It can even analyze what CSS is not being used in the style sheet on the page:Console tab pageIs the

This article mainly introduces the use of JavaScript to achieve page redirection function of the tutorial, is the basic knowledge of JS learning, the need for friends can refer to the What is page redirection? When you click on a URL to access a page x, but inside you are directed to another page y, just because of page redirection. The idea is to refresh from a different

Cgi|javascript|js| Tutorial uses JavaScript instead of CGI You might be familiar with CGI scripts, and you can use CGI to pass numbers or variables from one page to another on a form. Of course, you can use "POST" to pass a variable to a separate thread without appearing in the browser, or to encode the variable to a URL using "get".

JavaScript For statement Use instance Tutorial The number of times specified to execute the same code block in JavaScript or the specified condition is true. ExampleFor loopHow to write a link. The number of times that the same code block is run by the closed loop used. HTML title by loopingHow to use the loop loop through different HTML headings.

AJAX: implement mutual exclusion secrets in AJAX programs. The Javascript tutorial is more and more widely used with AJAX examples, browser pages can maintain the activity of the front-end user interface while requesting data from the backend server (thus called asynchronous in AJAX ). However, when the two activities access the shared JavaScript and DOM data str

JavaScript: String operations in JavaScript, Javascript tutorial I. OverviewStrings are almost everywhere in javascript. When you process user input data and read or set DOM object attributes, there are more strings when operating cookies .... The core part of

, logical operators, bitwise operators, ternary operators.The operators in JavaScript are roughly the same as Java. Just a few points to note during the operation: var x = 3120/1000*1000; x = 3120 instead of 3000 var x = 2.4 + 3.6; x = 6 instead of 6.0 var x = "12" + 1; x = "121" Because the plus sign is a connector for a string | | is the logical operator, | is a bitwise operator Ternary operators are al

This article mainly introduces detailed information about the {} statement block in javascript. For more information about how to parse the json string, see the next tutorial. an eval () method is used, why should we add parentheses when parsing strings? Confused. In the original javascript, the {} statement block has two meanings, and errors may occur without pa

Javascript Tutorial: querySelector () method, Module dom {[Supplemental, NoInterfaceObject]Interface NodeSelector {Element querySelector (in DOMString selectors );NodeList querySelectorAll (in DOMString selectors );};Document implements NodeSelector;DocumentFragment implements NodeSelector;Element implements NodeSelector;}; From the interface definition, we can see that Document, DocumentFragment, and Eleme

I am reading the JavaScript tutorial, the teacher said in the future with "Ah Dot" (pronunciation), what is this? What am I going to search for? This issue has been closed because of a discussion-based question of non-technical questions Reply content: I am reading the JavaScript tutorial, the teacher said in th

Javascript| tutorial using JavaScript in HoTMetaL 3. What resources are appropriate for scripting When you use HoTMetaL PRO 6.0 to write macros, you can use the following resources: Predefined events HoTMetaL PRO 6.0 defines several events and special user-defined macros to handle them. These macros should be named after the HoTMetaL instructions. For exa

This article is the official HTML5 training course for h5edu institutions, mainly introduces: JavaScript intensive tutorial--jquery-chainingWith JQuery, you can link actions/methods together.Chaining allows us to allow multiple jQuery methods (on the same element) in one statement.JQuery Method LinksUntil now, we have written a jQuery statement one at a time (followed by another).However, there is a techniq