JavascriptBasics Javascript中经常遗漏的一些基本实用程序

JavascriptBasics由Ben Mc Dougall编写Javascript中经常遗漏的一些基本实用程序将在脚本或您选择和偏好的网络浏览器控制台中工作的用法示例： console . log ( 'Just testing something really cool I guess.' . startsWith ( '' ) ) ; console . log ( "Contains Test: " + 'Does this contain this?' . contains ( 'Does' ) ) ; console . log ( "Contains Test: " + '2' . contains ( 2 ) ) ; var s = '' ; console . log ( "EmptyString Test: " + s . emptyString (