I once had to implement excel-equivalent UI functionality (resizable columns, etc) - using javascript - which needed to be compatible on both Netscape and Inter

I once had to implement excel-equivalent UI functionality (resizable columns, etc) - using javascript - which needed to be compatible on both Netscape and Internet Explorer. Early 2000s, before jQuery or even prototype.js. Which is another way of saying, don't talk to me about being tired of javascript...