what ternary operator

UglifyJS is a tool for compressing and beautifying javascript. In its documentation, I see several methods for optimizing if statements. Although I haven't used it for some trial tests, I can see from here that it has done some beautification work

Quick query of js functions allows you to quickly find related functions. The abs method returns the absolute value of a number. The acos method returns the arc cosine of a number. The anchor method adds an HTML anchor with the NAME attribute at

Calculates the length of a string (a double-byte character length meter 2,ascii character 1)String.prototype.len=function () {return This.replace ([^\x00-\xff]/g, "AA"). Length;Personal note: "AA" as long as the unit is 2 bytes, such as "01";Success:

The first part understands C #C # is a new, simple, secure, object-oriented programming language that Microsoft released in July 2000 and is specifically designed for. NET applications. It embodies the features and essences of today's newest program

JS implementation can automatically refresh the time-date code instance:can automatically refresh the time date effect in a lot of pages are in use, because can make the page more dynamic, but also more user-friendly, users can view the time of the

First, the Language foundationC # definition and featuresC # is A new, simple, secure, object-oriented programming language that Microsoft has released in 7 months, specifically for . NET The language that is developed for the application.

In a small exercise that uses a ternary operator to judge parity, we encountered an episode of the error "the operation % is undefined for the argument type string, int ". The starting program is written in this way. Package com. lixiyu; import java.

String The base data type and the reference data type are used as method parameters, which are different when passing.A: The basic data type is passed by value, which is equivalent to copying a copy of the past. A reference data type is a

# JavaScript Summary# # syntax1. Case-sensitive2. Naming conventions1. The first letter must be the letter _ $2. Other characters can be numeric letters underlined $3. Avoid the system keywords4. Word and Word connection method recommended hump

Describes the usage of loop statements in Python, and details about python I. Introduction The conditions and loop statements of Python determine the program control flow and reflect the diversity of structures. It should be important to understand

BasicsJavascript: OperatorIn fact, if you have a computer language foundation, you should know that operators may even be more proficient than me. In this way, I will not explain them much. Let's talk about other unfamiliar operators!1. in OPERATOR:

(1) simplified code It is very simple to define objects and arrays in JavaScript. We want to create an object, which is generally written as follows: var car = new Object();   car.colour = 'red';   car.wheels = 4;  

1. The main difference between null and undefined in JScript is that the operation of NULL is like the number 0, while the operation of undefined is like a special value Nan (not a number). The comparison of null values and undefined values is

1. Define, name, and classify scalar variables, array variables, and objects. 2. Print and output the echo statement printf () function example :: printf ("% d bootles of beer on % s", 100, "the wall"); printf ("The % 2 \ $ s liks to % 1 $ s ",

One of the most basic uses of computers is to perform mathematical operations, and as a computer language, Java also provides a rich set of operators to manipulate variables. We can divide the operators into the following groups: Arithmetic

In the course of learning Avalonjs, found that the template does not have the if else of the wording, unlike Tempalte Ejs these, so summed up three ways to achieve, only for the use of AVALONJS classmate reference, mainly through the MS-IF

Python BASICS (4): Conditions and loops, python Basics In actual development, if you want to implement certain functions or requirements, some logic is involved, complicated or simple. How can you implement the python syntax? This involves

I. ConceptsJavascript is an object-and event-driven scripting language, mainly used on clients. Generally referred to as "js script ".Ii. Features1. Interactivity 2. Security 3. cross-platformIii. Differences between javascript and java1. The two

Today, I read the source code of qunit and found a strange piece of code. Although I can understand what it means, I don't understand the role of the double exclamation mark.Copy codeThe Code is as follows:Function id (name ){Return !! (Typeof

UglifyJS is a tool for compressing and beautifying javascript. In its documentation, I see several methods for optimizing if statements. Although I haven't used it for some trial tests, I can see from here that it has done some beautification work