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Detailed introduction to the basic series

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Release: 2017-06-15 13:37:48
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1 for...of string traversal interface for(let i of "abc"){ console.log(i); } // a // b // c2 includes whether it contains a certain string, returns a Boolean format: str.includes(searchString[, position]) and indexOf comparison: indexOf: returns the subscript to determine whether a certain string is included, the subscript is the position of the string includes: Returns a Boolean value, whether a certain string is included. This method is feasible if you only determine whether the string is included. var s = "hello"; // es5 s.indexOf("o"); // 4 //

1. Basic introduction to es6--String expansion

Detailed introduction to the basic series

##Introduction: The expansion of the es6 basic series of strings. Let’s take a look at what es6 is.

2. JS Basic Series Regular Expressions

Detailed introduction to the basic series

##Introduction: Regular expressions are a very powerful thing. Today I will simply introduce them to those who are new to JS. If there are any controversial aspects, please leave a message! 1.1 What is a regular expression? Regular expression (regular expression) is an object that describes a character pattern. ECMAScript's RegExp class represents a regular expression, and both String and RegExp define the use of regular expressions.

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4. Java Basics Series 17: Using DOM and SAX , Detailed explanation of XML files parsed by JDOM and DOM4J

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5. [Strengthening the PHP Basics Series] PHP Regular Expressions

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6.

A series of basic php tutorials suitable for entry

Introduction: A series of basic php tutorials suitable for entry

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DBA Basics Series SQL Server 2014: 2. SQL Server user database initialization configuration

Introduction: Before the introduction, let’s hack Microsoft: Microsoft adheres to its consistent simple and easy-to-use style (Next, Next, Next...). This is what attracts users, but if this advantage is used in the database It will be a disaster, like usDetailed introduction to the basic series

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DBA Basics Series SQL Server 2014: 1. SQL Server installation and deployment (independent deployment, non-domain environment)

## Introduction: Purpose: With the release of SQLServer2014 on April 1, 2014, the performance of SQLServer has been greatly improved, making it more More and more users and DBAs who use other databases are gradually turning to MSSQL. Here is a personal blog to answer everyone

9. mongodb basic series - detailed construction and explanation of replica set

Detailed introduction to the basic series

# #Introduction: Now that there is master-slave replication, why is there a replica set? When something appears, something must be saved. The so-called one thing reduces one thing O(_)O As mentioned above, the disadvantages of master-slave replication are that if the master server fails, the slave server will just stare blankly. This article will explain, what kind of changes will there be between master and servant? Still working on a computer. The steps are as follows: 1. Accurate

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Introduction: Golang language basics ten: goroutine, channel None Published on 2014-12-31 00:00:00 Golang language foundation series: Golang language foundation one: type, variable, constant Golang language foundation two: for,ifelse, switch Golang language foundation three: array , slice Golang language basics four:

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