r in nutshell 2nd edition

content "Hello world" is created.InsertBefore: Insert a new element in front of an existing element, when calling this method, you must know three things: 1, new element: The element you want to insert (newelement) 2, Target element: Before which element (targetelement) you want to insert this new element 3, parent element: The parent element of the target element (parentelement) Syntax: Patentelement.insertbefore (newelement,targetelement) We don't have to figure out what the parent element is

to the value of the attribute node. After making changes to the document through SetAttribute, you will still see the value of the property before the change through the browser's view source option to view the document's source code, that is, the changes made by setattribute are not reflected in the source code of the document itself. This "duplicity" phenomenon stems from the DOM's working mode: loading the static content of the document, and then dynamically refreshing, dynamic refresh does

　　　　　　　　　　　　　　 numeric operation built-in function functions nbsp; function ABS (num) Returns the absolute value of num Coerce (NUM1, num2) The Converts NUM1 and num2 to the same type and then returns as a tuple. Divmod (NUM1, num2) Division-the combination of the take redundancy operation. Returns a tuple (Num1/num2,num1%num2). The quotient of floating-point

At the request of some friends, I re-sent the cover of the book and the purchase addressExplain: Www.antian365.com original domain name transferred to abroad. Now the state of the foreign domain names in the domestic visit must be real-name, backup what, the situation you understand. Recently, we are making a video course on hacking, encryption and decryption, which is a comprehensive interpretation and analysis of the password acquisition and hack encountered by hackers, and the promin

"People rarely read the full CSS specification first, and these specifications can send anyone to sleep." ” "One of the best ways to learn CSS is to start using it directly. ” "First saw some great results from the blog, so look at the source code to see how they are implemented, and then on their own personal site is a bold attempt." ” First, from the beginning should pay attention to the basic problems, develop good habits:1. Good document structureDon't rely too much on the visua

As the future of the code says, in order to make full use of multi-core, concurrency will become the future trend of development, for concurrent programming support, Erlang is indeed the choice, Erlang is still relatively small in China, the classic books are relatively few, and finally chose the Erlang programming 2nd edition As my first Erlang starter book. Erlang Official website: http://www.erlang.org/

116 It tips for highly Effective People (2nd edition) Personal Recommended index: AAA A few days ago on the china-pub to see a new book "Highly Effective People's 116 it tips," because they have been looking for some way to do things efficiently, so see the title of the book, I was still attracted. Probation the first two chapters of the electronic version, and found that some ideas are really good, suc

book and are rising or hot today include: Popular Wisdom, cloud computing, Internet of things, virtual reality, agile development, collaboration, mutual benefit, symbiosis, co-evolution, network community, network economy, etc. It is not too easy to say that it is a "prophetic" book. It must also conceal the "prophecy" of the future that we have yet to prove or glimpse.Kevin Kelly (Kevin kelly,1952 April 27 ~, people nickname him as KK),He influenced Apple's Steve Jobs, the editor-in-chief of W