如何在nodejs中设置html中文本字段的值？

I'm doing project in nodejs and html .can anybody help how to set value to text field in html from server.js. For example I've text field with id 'name' on index.html. i use res.body.name = 'nametest' .but its not working .please give me a simple example . Thank you friends I'm doing project in nodejs and html .can anybo