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Comparison Test on the efficiency of String concatenation by JavaScript and comparison test by javascript During script development, a large string is often combined and output according to a specific rule. For example, when writing a script control, you can control the HTML Tag output of the entire control's appearanc
JavaScript JSP page Dynamic display system time test available multi-browser pass test (2)
In this topic, we will discuss JavaScript testing to check whether the component status and working method meet expectations. We will also introduce a testing method that facilitates the compilation of test cases. The tests mentioned here are of course the use of automated testing methods, which is an important part of software quality assurance (QA. In this topic, we will discuss
Javascript jsp page Dynamic Display System Time Test available Multi-browser pass test (1), javascriptjsp JSP is different from javascript in different browsers. How can we test it? There is no accuracy. Nowadays, browsers of various vendors are quite different. When writi
Javascript jsp page Dynamic Display System Time Test available Multi-browser pass test (2), javascriptjsp JSP page dynamic display time The getTime () function defined in script code is not called. Of course it will not be displayed.If you want to keep Dynamic Display during page loading, you can addWindow. onload = function () {// window is a browser window ob
attribute and sayName () method Person. prototype. name = "defaultName"; Person. prototype. age = 29; Person. prototype. sayName = function () {return this. name ;}; var person = new Person (); var person3 = new Person (); TestCase ("test extends", {"test person. sayName () shocould be equals person3.sayName () ": function () {assertEquals (person. s AyName (), person3.sayName () ;}}); 1.2 by default, all
Tag:jsp dynamic display time JavaScript JSP page Dynamic display system time test available multi-browser pass test (1)
Today in the Internet to see a javascript on the surface of the test, try to look at it, it is normal to do wrong, and then give us the front-end to do, haha, he incredibly also naturally do wrong, the code is probably like this/*1 What does the following code do? What is the result of the execution */ var i=true ; SetTimeout ( ' stoploops () ', 2000 function loops () {alert ( ' no hell o world!
{2}) (\ d {2}) (\ d {2}) (\ d {3}) $/) // ID card 15 digits }; var nReg; if (str = null | typeof (str) = "undefined") {str = "";} if (cType! = Null typeof (cType )! = "Undefined") {if (cType = "isEmpty") {str = $. trim (str); if (str! = Null typeof (str )! = "Undefined" str! = "") {Return false;} else return true;} nReg = Regexs [cType]; if (str = null | str = "") return false; // The input is null and is considered as verified. // if (cType = 'personcard18') {var ary = str for an 18-digit I
Efficiency Test of several methods for removing the JavaScript array, javascript Array The following is my summary of the three high-efficiency methods on the Internet and the efficiency test. If you have better comments or suggestions, you can also give them some suggestions. Array deduplication Method 1: Array. proto
1. in prototype mode 1.1, each function we create has a prototype attribute, which is a pointer pointing to an object, the purpose of this object is to include attributes and methods that can be shared by all instances of a specific type. A simple explanation is as follows: first, we need to know the existence of classes in object-oriented languages, javascript is also an object-oriented language (this sentence may have some faults, but it does not af
One, what is Qunit Qunit (http://qunitjs.com/) is a very powerful JavaScript unit test framework that can help you debug your code. It was written by a member of the jquery team and is the official jquery test suite. But Qunit is generally enough to test any regular JavaScript
It's important to test. Testing allows us to scale and refactor our code without any difficulty. Many developers follow the test-driven development process. I believe that writing tests can make software development more interesting and often leads to better code. Good design and tested systems are easier to maintain. In the past few years, developers have begun to put a lot of application logic into the b
This article mainly introduces the javascript page rendering speed test script to calculate the time required by the browser to render HTML pages. For more information, see The Code is as follows: /* Get the start timestamp of rendering and save it in the array PAGE_SPEED_TIME */
JavaScript Regular Expression Test Web page How do you normally test regular expressions? Write directly in a large section of code, then wait for the program to run there, and then display the results with alert? Or do you write a page temporarily and throw it away after the test is done? You can try my this page, a
javascript| objects The RegExp object in JavaScript is used for regular expression-related operations, and this object provides a method test to determine whether a string satisfies a pattern. The return value is True/false.Today I came across a question: Here the strings of both tests should match the pattern in the regular expression, and return true. But the
, but also really open the gap between people and things, but also you want to enter the big manufacturers must cross the threshold, important but not urgent . The same is rookie, some people 3-5 years later became the front-end architect, some people 3-5 years later in the endless new framework to the button binding event, want to become what kind of person, will pay what kind of effort, most of the time is no fault. The basics are important! It's important! It's important!3. The basis of this
Object The RegExp object in JavaScript is used for regular expression-related operations, and this object provides a method test to determine whether a string satisfies a pattern. The return value is True/false.Today I came across a question: Here the strings of both tests should match the pattern in the regular expression, and return true. But the test results a
Let's look at the status of JavaScript unit testing and the testing tools. 1.JsUnit We are already using it as our Unit test tool. Advantage: Can be called by ant build file; Start the browser to run the test case; Eclipse plug-in support; Disadvantages: Need to start the browser to run test cases; Does not su
Today's studio off the net! Decisively back to the dorm, otherwise all kinds of information are not. (he says he'll find it in the future!) Sorry, it's humming again. Enter the theme, we all know, the fast line is a variety of sorting algorithms, the most efficient is the most widely used, there is more important point, interview special Love Test!In fact, we have heard about the fast row, that is, first take out a benchmark value, and then the other
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