javascript if statement with multiple conditions

In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement

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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

JavaScript is becoming more and more popular. It can be said that it is one of the most prominent languages on the Internet. You can use it across platforms and Browsers without rejecting backend languages. There are many different development

Article Introduction: As we all know, different browsers (whether it is a modern browser or an old version of IE browser) on the Web page parsing is not the same, in order to make the Web page in these browsers to achieve the basic consistency of

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

Front. There are a total of 46 operators in JavaScript, and there are many operators in addition to the arithmetic, relational, bitwise, and logical operators described earlier. This article describes the conditional operator, the comma operator,

Summary of little knowledge about JavaScript performance optimization, and javascript Performance Optimization With the development of the network, network speed and machine speed, more and more websites use a variety of client technologies. Ajax is

We often see some data types in javascript, such as "undefined", "boolean", and "string, this article will help you learn the basic JavaScript data types, value types, and reference types. For more information, see this article, four basic data

Previous wordsThere are 46 operators in JavaScript, in addition to the arithmetic operators, relational operators, bitwise operators, and logical operators already described earlier, there are many operators. This article describes the conditional,