professional javascript for web developers 3rd edition
professional javascript for web developers 3rd edition
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regular expressions defined in literal form/* * Match all ". At", case insensitive */ var pattern4 =/\.at/gi;002 RegExp constructor to create a regular expression/* * Same as PATTERN1, but created using the constructor function */ var New RegExp ("[Bc]at", "I");ECMAScript 5 explicitly stipulates that the use of regular expression literals must be the same as calling the RegExp constructor directly, each time creating anCreate a new RegExp instance.5.5 Function typeThe function is actually an ob
in operator return true if the property of given name can be access from the object (no matter it's on The object itself oron the prototype).
The for-in returns all properties, that is accessible and enumerable by the object (include properties on the Pro ToType)
ECMAScript 5 Object.keys () method:accepts as its argument and returns an array of strings containing the names of All and enumerable properties.
object.getownpropertynames ()returns all instance properti
As I understand it, (Object.getname = object.getname), this statement returns the right operand at the end of execution object.getname, but the key is where does the right-hand operand now be? I guess because this statement is executed in the global, there will be a temporary variable in the global, it may be named temp, and temp = object.getname; In fact, both temp and object.getname point to the same function, the logic of which is function () {return this.name};If temp is anchored to the glob
Then in the second code execution process, there are 1 global variabe object,1 createfunction activation object,10 Anonymous function1 activation object,10 anonymous Function2 Activation object, and these 10 anonymous Function2 activation object and 10 anonymous function1 activation The object is one by one, and num is stored in the anonymous Function1 activation object, and the different anonymous Function1 activation object has a different num value, So different anonymous function2 can return
version, if placed in the original directory, it is best to delete the Paramconfig.ini configuration file, open the program will automatically regenerate the latest configuration file.This article I have published in Iteye, and now in Csnd again, these two blogs are my own, the article mentioned in the software was developed by myself. If you are unable to download due to the lack of product, you can download the http://vipbooks.iteye.com/blog/2212312 free, if you think this software is good, I
promiscuous mode (quirks mode) and standard mode (standards mode), promiscuous mode allows IE to behave in the same way as the IE5 that includes non-standard features, The standard mode allows IE to behave more closely to the standard behavior. After IE introduced the document mode, other browsers have followed suit. After that, IE proposed a so-called quasi-standard model (almost standards mode), which has a lot of browser characteristics in line with the standard, but not necessarily. All bro
specifications.This book is suitable for Web application developers with certain programming experience to read, but also can be used as a teaching material for relevant professional courses in college and social practical technology training.Author profile ...Author Profile:Nicholas C. Zakas (Nicholas Cass), the world's top
: Network Disk DownloadIntroduction to content editing this book starts with JavaScript from the earliest Netscape browser, and until now it has specific support for XML and Web services, primarily in terms of the language features of JavaScript, the interaction of JavaScript with the browser, More advanced
As we all know, the continuous development of the web development industry and the constant changes in demand have brought new demands and challenges to the developers. As far as the website is concerned, the user expects the content of the website to be more colorful, the page is more beautiful and can provide a good user experience. If the web developer has bee
PS: The first chapter of the content is not much, the previous days to read the records collated a bit, first sent up.A brief history of 1.1 JavaScript1, JavaScript was born to deal with this simple form verification.1.2 JavaScript Implementation1, the complete JavaScript composition:Core (ECMAScript): Provide core language functions;Document Object Model (DOM):
Simple web layer-3 architecture system (3rd edition), web layer-3 Architecture
Today is the third edition. As we did a few days ago, we still need to optimize the code. The three-tier architecture is an idea. Whether the overall system security and high performance can be e
the location of the label If the page requires a lot of JavaScript code, this will undoubtedly cause the browser to have a noticeable delay in rendering the page, while the browser window in the delay period will be blank. To avoid this problem, modern WEB applications typically place all JavaScript references behind the page content in the DOCTYPE HTML>HTML>He
the formal parameters synchronously Para1
Console.info (Arguments[1]);//-1
Para2 = 2;
Console.info (Arguments[1]);//2, modify the formal parameter para2, will be synchronized modify ARGUMENTS[1]
Console.info (PARA3);//undefined, the formal parameter not passed in the actual parameter is undefined
ARGUMENTS[2] = 3;
Console.info (arguments[2]);//3
Console.info (PARA3);//undefined, formal parameters that do not accept actual arguments do not have a sync relationship
Console.info (Arg
example from the JavaScript Advanced Programming (3rd Edition) to understand:
Copy Code code as follows:
Go to global scope, create global variable Object
var color = "Blue";
function ChangeColor () {
Go to ChangeColor scope, create changecolor corresponding variable object
var anothercolor = "Red";
function Swapcolors (Color1,
the array item, the position of the item in the array, the array object itselfL every (): Runs the given function for each item in the array, and returns True if the function returns true for each itemL filter (): An array of items that run the given function for each item in the array, returning the function that returns trueL ForEach (): Runs the given function for each item in the array, this method does not return a valueL map (): Each item in an array runs the given function, returning an
another web development language, and if so, it is easier to master the content of the book.The reason we're writing the 1th edition of this book is that we're tired of looking for books that are just basic PHP function references. Those books are useful, but when your boss or client says, "Get me a shopping cart quickly," Those books can't help you. We try to make every example in this book useful. Many o
(Uniform Resource Identifiers, Universal Resource Identifiers) to be sent to the browser. where encodeURI () is used primarily for the entire URI, and encodeURIComponent () is used primarily to encode a segment of the URI. The difference is that encodeURI () does not encode special characters that are themselves URIs, such as colons, forward slashes, question marks, and well sizes, while encodeuricomponent () encodes any non-standard characters it discovers. The two methods corresponding to enc
Seldom read, do not like to read, the main school is always sitting, not much qualitative, a book can be read two days, casually turn over, you can also throw in the corner for a few months not to move.The last time I met the JavaScript Advanced Programming (3rd edition), it felt really good, and many great gods were recommending this book, so they downloaded the
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