jQuery 奇数选择器:odd用法示例 _jQuery

【jQuery 奇数选择器:odd用法示例】jQuery：奇数选择器用于从元素中选择一个奇数索引。索引号从0开始。工作方式与：甚至选择器, 但用于奇数。
语法

$(":odd")

示例1：

< !DOCTYPE html> < html > < head > < script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js" > < / script > < script > $(document).ready(function() { $("tr:odd").css("background-color", "green"); }); < / script > < / head > < body > < center > < h1 > lsbin< / h1 > < table border = "1" > < tr > < th > Company< / th > < th > Country< / th > < / tr > < tr > < td > reliance< / td > < td > India< / td > < / tr > < tr > < td > flipkart< / td > < td > India< / td > < / tr > < tr > < td > walmart< / td > < td > American< / td > < / tr > < tr > < td > Ernst Handel< / td > < td > Austria< / td > < / tr > < tr > < td > Island Trading< / td > < td > UK< / td > < / tr > < / table > < / center > < / body > < / html >

输出如下：

文章图片
示例2：

< !DOCTYPE html> < html > < head > < script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js" > < / script > < script > $(document).ready(function() { $("tr:odd").css("background-color", "lightgreen"); }); < / script > < / head > < body > < center > < h1 > Welcome To lsbin < / h1 > < table border = "2" > < tr > < th > State< / th > < th > Capital< / th > < / tr > < tr > < td > uttar pradesh< / td > < td > lucknow< / td > < / tr > < tr > < td > punjab< / td > < td > chandigarh< / td > < / tr > < tr > < td > haryana< / td > < td > candigarh< / td > < / tr > < / table > < / center > < / body > < / html >

输出如下：