Find any element Javascript

fast_search.js

// Put in the element you want to find.
var el = document.getElementsByTagName("a"),
// Enter your search term
st = 'whatever',
// Results will go here when done
res;
for(var i = 0; i < el.length; i++) {
    // Checking to see if the returned element's innerText matches the search term
    if(el[i].innerText === st) {
        // Results have been saved if anything was found. You can now use the variable res to do whatever you'd like
        res = el[i];
    }
}