Created
April 7, 2024 07:50
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Fonts Checker 3
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| function getRenderedFontFamily(fontFamily) { | |
| let f = '' | |
| let canvas = document.createElement("canvas"); | |
| let context = canvas.getContext("2d"); | |
| let families = fontFamily.split(','); | |
| for(let family of families) { | |
| if (family == 'inherit') { | |
| f = family; | |
| } | |
| let text = "abcdefghijklmnopqrstuvwxyz"; | |
| context.font = "1000px " + family + ", serif"; | |
| let serifWidth = context.measureText(text).width; | |
| context.font = "1000px " + family; | |
| let width1 = context.measureText(text).width; | |
| context.font = "1000px " + family + ", sans-serif"; | |
| let sansWidth = context.measureText(text).width; | |
| context.font = "1000px " + family; | |
| let width2 = context.measureText(text).width; | |
| if (serifWidth == width1 && sansWidth == width2) { | |
| f = family | |
| } | |
| } | |
| return f; | |
| } | |
| const fonts = {} | |
| const elements = document.body.getElementsByTagName("*"); | |
| [...elements].map(element => { | |
| element.focus(); | |
| const font = getRenderedFontFamily(window.getComputedStyle(element).getPropertyValue("font-family")); | |
| fonts[font] = 0 | |
| }) | |
| console.log(Object.keys(fonts).join('\n')) |
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