JavaScript System Folder File actions

Early in the. NET for system operations, the same function to achieve a very complex, did not expect to use JavaScript is so simple, so search the Web code and improve. function PathList (path) { var fso = new ActiveXObject

Use promise mode to simplify the asynchronous callback of JavaScript

The interaction of Web pages is becoming more and more complex, and the asynchronous operation of JavaScript is more and more. such as the common Ajax request, need to respond when the request completes, the request is usually asynchronous, the

Use of the global attribute in JavaScript regular expressions

This article mainly introduces the use of the global attribute in JavaScript regular expressions, which is an important knowledge point in the advanced level of JS Learning, and the friends who need it can refer to Global is a read-only Boolean

A detailed explanation of the use of ignorecase attributes in JavaScript regular expressions

This article mainly introduced the JavaScript regular expression in the IgnoreCase attribute use the detailed explanation, is the JS learning Advanced Level important knowledge point, needs the friend may refer to under IgnoreCase is a read-only

JavaScript AOP Programming Instance

aop

The examples in this article describe JavaScript AOP programming. Share to everyone for your reference. Specifically as follows: ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26-27--28 29---30 31--32 33 34 35 36 37

Several important attributes in JavaScript

ThisThis represents the current object that refers to the current Page Object window if it is used globally, and if this is used in a function, this refers to what is invoked on the object based on this function at run time. We can also use apply

JavaScript typeof, instanceof operators use

When writing Javascirpt code, the two operators, typeof and Instanceof, are used every now and then, which is necessary. But it's not always possible to use them directly to get the results you want, and it's a common myth that "these two operators

JavaScript gets a two-array intersection method

The example in this article describes how JavaScript gets the intersection of two arrays. Share to everyone for your reference. Specifically as follows: The array passed in here must be already sorted. ? 1 2 3 4 5 6 7 8 9 10 11 12 13 1

A summary of how JavaScript manipulates windows

Once you get the variable that represents the window, you can manipulate it in a variety of ways. Here's a look at the various operations on the window In the previous introduction, we discussed the Close () method: Copy Code code as follows:

Introduction to the use of the SetTime () method in JavaScript

The JavaScript date.settime () method sets the time for the date object to be represented by the number of milliseconds from January 1, 1970 00:00:00 UTC. Grammar ? 1 Date.settime (TimeValue) Note: The data inside and

JavaScript function arguments are values (byVal) or pass-by (BYREF) sharing

For the question of whether the JavaScript function parameter is a byVal or a pass (BYREF), there is a common misconception that "simple types" such as number,string are values, number, String, Object, array, and so on "complex types." is the

Use the ToString () method in JavaScript to return the time as a string

This method returns a string representing the specified Date object. Grammar 1 Date.tostring () The following are the details of the parameters: NA return value: Returns a string representing the specified

A case study of with function usage in JavaScript

This example describes the use of with functions in JavaScript. Share to everyone for your reference. The specific analysis is as follows: The WITH function in JavaScript, known as the With statement, can be conveniently used to refer to an

Use of the Localecompare () method of manipulating strings in JavaScript

This article mainly introduces the use of the Localecompare () method of manipulating strings in JavaScript, which is the basic knowledge in the learning of JS, and the friends who need it can refer to This method returns a string that indicates

A detailed explanation of the String.match () method used in JavaScript

This article mainly introduces the use of JavaScript string.match () method, is the basic knowledge of JS learning, need friends can refer to the This method is used when matching a string that matches a regular expression to retrieve a match.

The replace () method in JavaScript uses the detailed

This article mainly introduces the use of JavaScript in the Replace () method, is the basic knowledge of JS learning, need friends can refer to the This method finds a match between the strings of a regular expression and replaces the new substring

Use of the search () method in JavaScript

This article mainly introduces the use of the JavaScript search () method, is the basic knowledge of JS learning, need friends can refer to the This method performs a search for a regular expression and a match between string objects. Grammar ?

The slice () method in JavaScript uses the detailed

This article mainly introduces the JavaScript in the slice () method of using the detailed, is the basic knowledge of JS learning, need friends can refer to the This method extracts part of the string and returns a new string. Grammar ?

The toLocaleLowerCase () method in JavaScript uses the detailed

This article mainly introduces the JavaScript in the toLocaleLowerCase () method of using the detailed, is the basic knowledge of JS learning, need friends can refer to the This method is used to convert character strings to lowercase, while

Use of the While loop of JavaScript

This article mainly introduces the use of JavaScript while loop, is the basic knowledge of JS learning, need friends can refer to the When writing a program, there may be a situation when you need to perform some actions over and over again. In

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