JavaScript + jQuery のスニペット - 変換投稿日 2015/05/31 [Home] [Index] 型の変換 文字列から数値への変換 var n = parseInt("100"); var f = parseFloat("1.234"); var buff = n + ", " + f + ";" 数値から文字列への変換 var s = "" + 100; buff += s + ", "; s = new Number(100).toString(); buff += s + ";"; 日付から文字列への変換 var date = Date.now(); var s1 = date.toString(); buff += s1 + ", "; var s2 = date.toLocalString(); buff += s2 + ", "; var s3 = date.toUtcString(); buff += s
