markdown js_cc_02_if

Posted 2021-05-06

    // 0～100のランダムな数字取得
    var rand = Math.floor(Math.random() * 101);
    document.write('<p>rand: ' + rand + '</p>');
    document.write('<p>rand >=80: ' + (rand >= 80) + '</p>');
    document.write('<p>rand <=30: ' + (rand <= 30) + '</p>');
    if (rand >= 80) {
      document.write('<p>randは80以上</p>');
    } else if (rand <= 30) {
      document.write('<p>randは30以下</p>');
    } else {
      document.write('<p>randは30より大きく80より小さい');
    }
  

js_cc_02_if
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