nth text meaning

The first two sections in the "CSS3 basic selector" and "CSS3 property selector in detail" introduced the basic selector in the CSS3 selector and the use of the property selector, today to learn with you CSS3 the third part of the selector, but also

Here's a summary of some of the character substitution methods in PHP development, including the use of regular replacement or regular substitution characters and the use of PHP's own functions for substitution. For example there is a string: $a = '

Shell_05 variable name, meaning variable name meaning $ n the nth domain of the current record, number of ARGC command line parameters for all fields recorded by FS $0 in the ARGIND command line (start with 0) array of ARGV command line parameters

Shell_05 variable name, meaning variable name meaning $ n the nth domain of the current record, number of ARGC command line parameters for all fields recorded by FS $0 in the ARGIND command line (start with 0) array of ARGV command line parameters

First, the first-child and last-child selectors are easy to understand, that is, the first child element and the last child element under the parent element. Nth-child and nth-last-child are child elements of the specified sequence number under the

Learning notes for CSS3 selector, css3 Selector First, the first-child and last-child selectors are easy to understand, that is, the first child element and the last child element under the parent element. Nth-child and nth-last-child are child

Last year when I was learning jquery, I used to have a little selector (selector) notes. These days took out a look, found a lot have forgotten. So, I decided to post them here for easy viewing later. This should also be useful to other friends,

The Expr.prefilter is a method for preprocessing attr, child, pseudo three selectors in the Tokenize method. As follows: Expr.prefilter: {"ATTR": function (Match) {* * * * Complete the following tasks: * 1, property name decoding * 2,

First of all, First-child and Last-child, these two selectors are easy to understand, which is the first child element and the last child element under the parent element. The Nth-child and Nth-last-child are the child elements of the specified

NanyiDate: March 12, 2009Source: http://www.ruanyifeng.com/blog/2009/03/css_selectors.htmlLast year, when I was studying jquery, I used to make a few selector notes.These days took out to see a bit, found a lot of forgotten. So, I decided to post