JSFiddle - React, Tailwind, and code Playground
by n0nick
HTML
<form>
<input type="text" id="inputbox" value="http://stackoverflow.com/questions/6010221/will-javascript-variables-stay-if-i-reset-the-form-they-are-set-from-before-i-use/6010243">
</form>
<button onclick="gResults()">go</button>
JavaScript
myform = document.myform = document.getElementsByTagName('form')[0]
gResults = function() {
var TestVar = myform.inputbox.value;
var url = TestVar;
document.myform.reset();
window.location=TestVar;
}