This document is translated from JavaScript ' s zerosJavaScript has both zeros:? 0 and +0. This post explains, why, and where it matters in practice.There are two "0" in JavaScript:-0 and +0. This article explains why, and points out the impact of
void (0) is used to perform certain processing, but does not refresh the page as a whole.Javascript:void (0) indicates that no action is done. Such as:This indicates that this link does not do a jump action, performing the onclick event.I'd like to
The Linux kernel and some other Open-source code often encounter code like this:
do{...}while (0)Such code is not a loop, do ... While on the surface there is no meaning here, then why use it?
In fact, do{...} while (0) is much more useful than
do{...} The meaning and usage of while (0)On October 9, +, in C language, language learning, by sponge
The Linux kernel and some other open source code often encounter such code:
do{...
} while (0)
This code is not a loop at a glance, do. While the
The Linux kernel and some other open source code often encounter such code:Do{...} while (0)This code is not a loop at a glance, do. While the surface is meaningless here, why use it so much? In fact, do{...} while (0) is much more useful than
The Linux kernel and some other open source code often encounter such code: Do { ...} while (0)This code is not a loop at a glance, do. While the surface is meaningless here, why use it so much?In fact, do{...} while (0) is much more useful than
It seems that the foundation is still very important, the foundation is not solid on the hard to learn C language, don't say to write high-quality C language code. Today, I was tortured by this problem, haha, but now finally understand the ' to ', '
It seems that the foundation is still very important, the foundation is not solid hard to learn C language, do not say to write high quality C language code. Today, I was tortured by this problem, haha, but now finally understand the ' 0 ', "0"
Reprint address: http://www.spongeliu.com/415.html Linux kernel and some other open source code, often encounter such code:
Do{...} while (0)
This code is not a loop at a glance, do. While the surface is meaningless here,
From:http://www.jb51.net/article/71532.htm In JavaScript, Void is an operator that specifies that an expression is evaluated but does not return a value. I'd like to use Ajax for all the usual code like this: The code is as follows: here But what is
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.