Created
February 5, 2014 17:02
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Index and count all font variations on an HTML page
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| function indexFonts() { | |
| var fonts = {}; | |
| var props = ['font-family', 'font-size', 'font-weight', 'font-style']; | |
| var nodes = document.body.getElementsByTagName('*'); | |
| var L = nodes.length; | |
| for (var i = 0; i < L; i++) { | |
| var node = nodes[i]; | |
| if (node.style) { | |
| var style = node.style; | |
| var cs = getComputedStyle(node, ''); | |
| var font = {}; | |
| for (j in props) { | |
| var prop = props[j]; | |
| var val = (style[prop] || cs[prop]); | |
| font[prop] = val; | |
| } | |
| var key = JSON.stringify(font); | |
| fonts[key] = (fonts[key] || 0) + 1; | |
| } | |
| } | |
| return fonts; | |
| } | |
| console.log(indexFonts()); |
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