data type conversion in javascript

JavaScript data type conversion principle (dry goods), javascript Data Type We all know that JavaScript is a weak (or dynamic) language, that is, the type of the variable is uncertain. var num = 123 ; //123var num = 'HAHAHA' + num ; //

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

This article briefly introduces information about implicit type conversion of JavaScript data types. For more information, see the following JavaScript data types: null, undefined, boolean, string, number, object. Object is a reference type. The

This article mainly introduces the parsing of rule instances for Javascript type conversion, involving knowledge about javascript type conversion. If you are interested in this article, let's learn about it. type conversion can be divided into

JavaScript (ECMA script) is a weak language. This does not mean that it does not have a data type, but variables or JavaScript Object Attributes do not need a specific type of value to be allocated to it or it always uses the same value. Variables

For JS this language, because it is a dynamic type language, the variable is no type, can be given any value at any time.However, the data itself and the various operations are typed, so the variable needs to be converted to the type of operation.In

First, because JavaScript is a weakly typed language (something with a weak type of language has no obvious type, he can be different with the environment, automatic transformation type and strong type is not such a provision, the operation of

Variables in Javascript also support conversion of free types into applicable (or required) content for ease of use. Weak JavaScript does not followProgramFrom the actual variable type to the required data type conversion, for example, a very

One, data type 5 Basic types of data:null/undefined/string/boolean/number 1 kinds of complex data types:Object Second, data type detection A brief summary of several ways of detecting data types in JS and its advantages and disadvantages 1,

Summary: implicit type conversion in Javascript, summary javascript Conversion JavaScript data types are divided into six types:null,undefined,boolean,string,number,object.objectIs the reference type, and the other five are the basic type or the