Discover javascript type conversion table, include the articles, news, trends, analysis and practical advice about javascript type conversion table on alibabacloud.com
ObjectiveJavaScript is a very flexible and weakly typed language, and its flexibility is reflected in its varied and diverse types of conversions. For example, when JavaScript expects to use a Boolean value (such as an if statement) you can provide
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
Introduction to value type conversion in JavaScript, javascript
+,-, *,/, =, And! In JavaScript ,! = During equal operation, if the value types on both sides of the operator are inconsistent with the expected type, JavaScript will convert the values
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
Javascript variables are loose types. They can store any data types supported by JavaScript, and their variable types can be dynamically changed at runtime. See the example:
VaR n = 10; n = "Hello csser! "; N = {};
In the above example, first
Number () is used to convert numbers, String () is used to convert strings, and Boolean () is used to convert Boolean values.JavaScript data typeThere are five data types that can hold values in JavaScript:· String· Number· Boolean· Object·
JavaScript has 7 data types, including 5 original types (also called original values) number, Boolean, string, null, undefined, and 2 compound type object, array, which can be converted to each other according to some rule. The JavaScript authority
Js data type conversion summary notes. For more information, see. Javascript has the following data type conversion methods:
1. convert to a number xxx * 1.0Convert to string xxx + ""
2. extract another type of value from one value and complete
Javascript data type conversion rulesPreface Javascript has seven data types, including five original types (also called original values): number, Boolean, string, null, undefined, and two composite types: object and array, they can be converted to
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.