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There are 4 methods in JavaScript that involve a string case conversion: toLowerCase (), toLocaleLowerCase (), toUpperCase (), and toLocaleUpperCase (). Today we will mainly use the following touppercase () and toLowerCase () methods. JavaScript provides two ways to convert a string to all uppercase or lowercase, so that you can change "hello" to "hello" or "not" to "not". You might ask, why? Converts letters in a string to the same case, which makes it easier to compare two strings. For exampl

JavaScript provides two ways to convert a string to all uppercase or lowercase, so that you can change "hello" to "hello" or "not" to "not". You may ask, why? Converts letters in a string to the same case, which makes it easier to compare two strings. For example, suppose you create a problem program, and a question is "who is the" the American to win the Tour De France? You may use code similar to the following to check the answers to the respondents: var correctanswer= '

the prototype through an object instance. If we add a property to the instance that has the same name as a property in the instance prototype, we create the property in the instance that will mask that property in the prototype. Look at the following example: function person () {} Person.prototype.name = "Nicholas"; Person.prototype.ae =; Person.prototype.job = "Software Engineer"; Person.prototype.sayName = function () { alert (this.name); } var person1 = new Person (); var person2 = ne

Use JavaScript to change the case sensitivity of strings. use javascript to change the case sensitivity of strings. JavaScript provides two methods to convert a string to uppercase or lowercase, so that "hello" can be changed to "HELLO" or "NOT" can be changed to "not ". You may ask, why? Converts letters in a string to the same case, which makes it easier to compare two strings. For example, suppose you have created a question program and the question is "Who was the first American to win the T

The 6th Chapter object-oriented programmingCreating objects1. The simplest way to create an instance of an object, such asvar person = new Object ();Person.name = "Greg";Person.age = 27;Person.job = "Doctor";Person.sayname = function () {alert (this.name);};Person. Sayname ();Cons: Generates a lot of duplicate code2. Factory mode: Use functions to encapsulate the details of creating objects with specific interfaces, such asfunction Createperson (name,

//object.defineproperty (person, "name", { configurable:false, value: "Nicholas"});The accessor property does not contain a data value and contains a pair of getter setters. Accessor properties cannot be defined directly and must be defined using DefineProperty ().Properties of the Read attributeThe Getownpropertydescriptor () method in ECMAScript 5 can get the descriptor of the property. This method receives 2 parameters: the object where the property resides, and the name of the property

simple too. This is my. offlineimaprc file. It checks one of Gmail account and one other IMAP account. Here are a fully commented config file with every option. MsmtpMSMTP is a simpler alternative to sendmail. It sends mail. Mutt is a MUA (mail User agent) not a MTA (mail Transpot Agent) and as such does not send email; You are have to the set up something else to does it for Mutt. This isn ' t is bad, really (Ed:it is the hardest part for Greg, don

. Okay. Let's take a look at this scenario in Tagi tribe and pagong tribe) how the "survivor game" is played and what inspiration we can gain. The eight members of the t family are: Hatch, Richard, 39, communication consultant. Wibllesworth, Kelly, female, 23 years old, water lifeguard. Boesch, Rudy, 72 years old, US Navy veterans. Hawk, Susan, female, 39 years old, truck driver. Kennif, Sean, 31 years old, neurology doctor. Been, Dirk, 24 years old, farmer and priest. Stillman, Stacey, female,

Http://www.csdn.net/article/2012-12-28/2813275-Support-Vector-Machineabsrtact: support vector Machine (SVM) has become a very popular algorithm. This paper mainly expounds how SVM works, and also gives some examples of using Python scikits library. As an algorithm for training machine learning, SVM can be used to solve classification and regression problems, and kernel trick technology is used to transform data, and then to find an optimal boundary in the possible output according to the convers

: using the same interface to create many objects will produce a lot of repeated code. 2. Factory ModelThe factory model is a well-known design pattern in the software engineering field. The factory pattern abstracts the process of creating a specific object and uses functions to encapsulate the details of creating objects with a specific interface. function createPerson(name,age,job){ var o = new object{}; o.name=name; o.age=age; o.job=job; o.sayName=function(){ alert(this

"; Person.prototype.sayName =function () { alert (this.name);}; var person1 = new Person (), var person2 = new Person ();p erson1.name = "Greg", Alert (person1.name),//"Greg"-from Instance alert ( Person2.name);//"Nicholas"--from the prototypeIn this example, the name of Person1 is masked by a new value. However, both access person1.name and access Person2.name can return the values normally, namely