HTML和Javascript自动文档在OnClick事件后删除条目

I am automating a document with html and javascript through MS Notepad. So far, I have lots of text, a few textboxes, and a button, which will execute a javascript function after a number is entered into one of the textboxes. This document is only partially completed; however, I noticed that after I add entries into my textboxes and then press the button, all of my entries erase. I believe this is a postback issue of some sort; however, I thought using an onlick event with javascript would not execute a server-side command. Also, my document is all client-side code. Basically, it is just text, html, and, currently, one JS function.I am automating a document with html and javasc