javascript complex if statement

One way to "make something happen" is to evaluate an expression with a side effect. Injected assignments and function calls these expressions with side-effects can be used as separate statements, and this expression is also called an expression

Directory1 History 2 clarifying misunderstandings 3 basic concepts 4 features 5 different from Java 6 development toolsHistoryProbably in 1992, a company called Nombas began developing an embedded scripting language called C-minus (C-minus-minus, or

Basic JavaScript flow control statement usage, javascript statement Part 3: Process Control statements JavaScript code is the writing position: JavaScript code should be written in . Or as an external reference Use a semicolon to end each

1th Chapter Essence Some of the features of JavaScript feature a lot more trouble than they are worth. Some of these features are because the specification is so imperfect that it can cause portability problems; Some features can lead to the

Document directory 1.4. Javascript in other contexts 1.4. Javascript in other environments 1.5. processing Javascript 1.5. go deep into Javascript Statement: translation has only one purpose: learning purposes. If you have any copyright

1) Intro Not long ago I set up a technology group in a MM asked a question like this, she posted the code as follows: var a = 1;function hehe (){Window.alert (a);var a = 2;Window.alert (a);}Hehe (); The results of the execution are as follows:

From: http://student.csdn.net/space.php? Uid = 45106 & Do = Blog & view = me Chapter 2 Some of the essential JavaScript features bring much more trouble than they do. Some of these features may cause portability problems due to imperfect

The things that every JavaScript developer should know2015-06-07 front-end Daquan(Click the blue Word above to quickly follow us)JavaScript is a growing language, especially now that the ECMAScript specification is published on an annual release

First, Process Control OverviewProcess Control of the program-Program = data + algorithm-Any complex program algorithm can be implemented by "order", "branch", "Loop" three basic program logic combinations650) this.width=650; "src="

In the past, JavaScript was used only to make simple web effects, such as forms validation, floating ads, and so on, when JavaScript was not taken seriously. Since Ajax has become popular, it has been found that the use of JavaScript can give users