フォントを利用ã§ãã‚‹ã‹ã©ã†ã‹ã‚’調ã¹ã‚‹ã€‚ - jsdo.it - Share JavaScript, HTML5 and CSSfunction isFontInstalled(fontName) { var testNode = document.querySelector('#test-node span'); testNode.style.fontFamily = "'" + fontName + "', 'Empty'"; return !!testNode.offsetWidth; } window.addEventListener('DOMContentLoaded', function () { setTimeout(function () { var ul = document.querySelector('ul'); ['メイリオ', 'MS PGothic', 'ï¼ï¼³ Ｐゴシック', 'Hiragino Kaku Gothic Pro', 'Hoge'].forEach(function (fo
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