Others

Method Description: Outputs the current call stack to the standard error stream. Grammar: Copy Code code as follows: Console.trace (label) Receive parameters: Label Example: Copy Code code as follows:

Method Description: Sync version of Fs.realpath (). Grammar: Copy Code code as follows: Fs.realpathsync (path, [cache]) Because this method belongs to the FS module, it is necessary to introduce FS module (VAR fs= require

Method Description: Modify the file name to change the path in which the file is stored. Grammar: Copy Code code as follows: Fs.rename (OldPath, NewPath, [Callback (ERR)]) Because this method belongs to the FS module, it

Method Description: Gets the file information (the symbolic link is not parsed). Grammar: Copy Code code as follows: Fs.lstat (Path, [Callback (err, stats)]) Because this method belongs to the FS module, it is necessary

Copy Code code as follows: var http=require ("http"); var server=http.createserver (); Server.on ("Request", function (req,res) {5 console.log (req.url); Res.end (); }); Server.listen (1337, "127.0.0.1"); Such code can

Method Description: Sync version of Fstat (). method returns a stat array object that contains the following information: (The following information is the file information read in the case, not the default value) Copy Code code as follows:

Method Description: Sync version of Fs.readfile (). Grammar: Copy Code code as follows: Fs.readfilesync (filename, [encoding]) Because this method belongs to the FS module, it is necessary to introduce FS module (VAR fs= require (

Method Description: Read the contents of the file in an asynchronous fashion. Without the top content encoding, the output will be in Buffer format, such as: Grammar: Copy Code code as follows: Fs.readfile (filename, [encoding],

Method Description: Create a hard link. Grammar: Copy Code code as follows: Fs.link (Srcpath, Dstpath, [Callback (ERR)]) Because this method belongs to the FS module, it is necessary to introduce FS module (VAR fs=

Method Description: File content interception operation. Grammar: Copy Code code as follows: Fs.truncate (Path, Len, [Callback (ERR)]) Because this method belongs to the FS module, it is necessary to introduce FS module

Gets the last matched subexpression untitled Hello world! [Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform] Get all of the matching results: untitled Hello

Method Description: File content interception operation. Grammar: Copy Code code as follows: Fs.ftruncate (FD, Len, [Callback (ERR)]) Because this method belongs to the FS module, it is necessary to introduce FS module

Method Description: Writes data to a file asynchronously, and the original content is replaced if the file already exists. Grammar: Copy Code code as follows: Fs.writefile (filename, data, [options], [Callback (ERR)])

Method Description: Writes data to a file asynchronously, and the original content is replaced if the file already exists. Grammar: Copy Code code as follows: Fs.writefile (filename, data, [options], [Callback (ERR)])

Let's start with the literacy. What is a regular expression of greed, what is greed? Or what is a matching priority classifier, and what is ignoring the precedence classifier? Well, I don't know what the concept is, let's give an example. Some

The comments are inside the code. Very detailed. Only judged the IE Firefox Google because I did not install other browsers, so hehe. Of course, if you want to judge other browsers. The basic code is the same. Copy Code code as follows:

. Match any character except for line breaks \w Match letters, numbers, underscores, Chinese characters \s Match any white space character \d Matching numbers ^ Match character

Before the beginning of this chapter, I would like to introduce an example to show that this incomplete abnormal optimization is reasonable or unreasonable. The direct amount of string in C # is optimized very thoroughly ... We should be welcome to

The code is as follows: Copy Code code as follows: var st= "A[b]c[d]e[f]g"; var reg =/\[\w\]/ig; var S1 = st.replace (Reg, ""); var s2=[]; var arr; while ((Arr=reg.exec (ST))!=null) S2.push (arr[0]); alert (S1); Alert

Method Description: The method is the same as Console.error (). Look at the source to know, Console.error is actually directly call Console.warn's Grammar: Copy Code code as follows: Console.warn ([data], [...]) Receive