[JS初心者]#5 テスト＆デバッグ編 JavaScriptを学ぶ - Qiita<div class='hoge1'>hoge1</div> <div class='hoge2'>hoge2</div> <div class='hoge3'>hoge3</div> <script> window.onload = function() { var a = 'hoge'; var b = 'fuga'; var c = 1; var d = 2; var e = 1; console.assert(c == e); console.assert(c == d); console.debug('Debug Message'); console.error('Error Message'); console.info('Info Message'); console.log('Log Message'); console.log("%s Message %s Message
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