function createa(url,text) { var a=document.createElement("a"); a.setAttribute("href", url); a.innerHTML=text; a.style.color="blue"; main.appendChild(a); }
a.style.fontSize = "字体大小"; (不能把fontSize写成font-size)
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
a.style.fontSize = "字体大小"; (不能把fontSize写成font-size)