这是一道js的面试题,就是考察将普通面命转为小驼峰命名
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> </body> <script type="text/javascript"> function fooBar(str) { var arr = []; let sting = str.split('-'); arr.push(sting[0]); for (var i = 1; i < sting.length; i ++) { arr.push(sting[i].toString()[0].toUpperCase() + sting[i].toString().slice(1)); } return arr.join(''); } document.write(fooBar('foo-bar')); </script> </html>