Script to find all fonts used on a page

Question

Is there easy way to parse a HTML page to find all the fonts used (or all the font stacks used)?

Or similarly, is there a script that parses a page and returns which

Answer 1

developer tools are handy for this sort of thing, but you can spin your own by looping through every element and looking at its computed style properties.

function styleInPage(css, verbose){
    if(typeof getComputedStyle== "undefined")
    getComputedStyle= function(elem){
        return elem.currentStyle;
    }
    var who, hoo, values= [], val,
    nodes= document.body.getElementsByTagName('*'),
    L= nodes.length;
    for(var i= 0; i