Javascript Variable Naming Conventionswhat is java script
你可以使用空行来分隔代码单元,就像是文学作品中使用段落分隔一样。 命名规范(Naming Conventions) 另一种方法让你的代码更具可预测性和可维护性是采用命名规范。这就意味着你需要用同一种形式给你的变量和函数命名。 下面是建议的一些命名规范,你可以原样采用,也可以根据自己的喜好作调整。同样,遵循规范要比规范是...
通常情况下,JavaScript 文件的命名应该简洁明了地描述该文件所包含的功能或模块。例如,“main.js”文件可能主要负责主功能,“controller.js”文件可能包含某个控制器的逻辑等。这样的命名有助于其他开发人员更容易地理解和使用这些代码。 文件名应具有明确性 JavaScript 文件的命名应该具有明确性。这意味着我们应该尽可能...
Naming Conventions for JavaScript VariablesThese are the following rules for naming a JavaScript variable:A variable name must start with a letter, underscore (_), or dollar sign ($). A variable name cannot start with a number. A variable name can only contain alpha-numeric characters (A-z,...
A. JavaScript variable names are case sensitive.# B. JavaScript variable names must begin with a letter or the underscore character.# C. Both of the above.# D. None of the above. 相关知识点: 试题来源: 解析 A
How to define, declare and initialiaze a variable in JavaScript? How to declare and initialize the variable together? Procedure to define multiple variables in a single step in JavaScript? How to redeclare variables in JavaScript? What are the rules for Variable Naming conventions in JavaScript?
variable names - first_name, favorite_bands, and old_company_name. ECMAScript uses camel case for both methods and properties, although the multiword property names are rare (lastIndex and ignoreCase properties of regular expression objects). ...
才华横溢的Stoyan Stefanov,在他写的由O’Reilly初版的新书《JavaScript Patterns》(JavaScript模式)中,我想要是为我们的读者贡献其摘要,那会是件很美妙的事情。具体一点就是编写高质量JavaScript的一些要素,例如避免全局变量,使用单变量声明,在循环中预缓存length(长度),遵循代码阅读,以及更多。
Naming Conventions of Variables in JavaScript(variable-naming-convention.js) Basic Mathematical Operations in JavaScript(operation.js) Addition Operation Subtraction Operation Multiplication Operation and Division Operation Mathematical Operation Shorthand in JavaScript(operations-shorthand.js) ...
Chapters 1, 2, and 3 for a discussion on assigning values of different types—strings, numbers, arrays, and objects—to variables;Improving Script Performancefor the impact of variable name length on performance;Using Objects to Reduce Naming Conflictsfor ways to minimize global variable space nami...