每天CookBook之JavaScript-040

  • 函数默认参数
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>040</title>
</head>
<body>
    
</body>
<script type="text/javascript">
(function () {
    function makeString (str, ldelim = "'", rdelim= "'") {
        return ldelim + str + rdelim;
    }

    console.log(makeString(169));
})(); 
</script>
</html>
posted @ 2016-07-17 21:43  4Thing  阅读(74)  评论(0)    收藏  举报