variable text javascript

Document directory I. What is JavaScript? Ii. Start of JavaScript programming Iii. Implementation basics of JavaScript Iv. Summary of this Chapter From the beginning of college, I began to learn how to create web pages and began to access

ArticleDirectory Javascript Introduction How to Implement Javascript Where to place Javascript Javascript statements Javascript Variables Javascript Operators Javascript branch statement Javascript message box

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:

, native JavaScript implements string length interceptionView Code2. Native JavaScript gets the domain hostView Code3. Native JavaScript Clear spaceView Code4. Native JavaScript replaces allView Code5. Native JavaScript Escape HTML tagView Code6.

JavaScript BasicsJavaScript is a scripting language that belongs to the web!JavaScript is used by millions of of pages to improve design, verify forms, detect browsers, create cookies, and more.JavaScript is the most popular scripting language on

*1, Variable type:JavaScript is a weak type, a variable can store any type, and the run-time type is variable;-> variables can be converted to type;*/ /*2, Variable declaration:*/var i;var index;var i, index;var i = 0, index = 2;/*Variable

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

Value: The operation of a computer program requires the operation of the value (values). Data type: A type that can be represented and manipulated is called a data type. Variable: When the program needs to save the value for future use, it assigns

This article mainly introduces the types, values, and variable Summary of JavaScript. You can refer to the following: JavaScript data types are divided into two types: primitive type and object type. Five primitive types: Numbers, strings, Boolean

JavaScript implements variable parameter functions, and javascript variable parameters When using javascript class library functions, you may often encounter a function that can use different numbers of parameters. For example:. Code Exp (var1)