JavaScript-Study/4-01(HTML Element).html at main · rkdbs/JavaScript-Study · GitHub

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<html>
  <head>
    <title>HTML Element</title>
    <head>
      <body>
        Text :
        <!-- Element -->
        <br />
        <input type="text" value="홍길동" id="text1" />
        <br />
        관심사:

        <br />
        <input type="checkbox" name="chk_interest" value="it" />IT/컴퓨터
        <input
          type="checkbox"
          name="chk_interest"
          value="endtertainment"
        />엔터테인먼트
        <input type="checkbox" name="chk_interest" value="sports" />스포츠
        <input type="checkbox" name="chk_interest" value="shopping" />쇼핑
        <input type="checkbox" name="chk_interest" value="book" />도서/책
        <br />
        <input type="radio" name="radio_email_yn" value="Y" checked />동의
        <input type="radio" name="radio_email_yn" value="N" />거부

        <br />
        Select :
        <select id="select1">
          <option value="KO">Korea</option>
          <option value="CH">China</option>
          <option value="JP">Japan</option>
        </select>
        <br />

        <div id="div1">
            [div]태그를 사용합니다.
        </div>

        <input type="button" value="저장" onclick="doSave();" />
        <script>

          document.getElementById("text1").value = "이순신";

          function doSave() {
            // alert("추억이 떠오르니?");
            // console.log("[저장] 버튼 클릭");
            // var txt1 = document.getElementById("text1");
            // console.log(txt1);
            // console.log(txt1.value);

            //jQuery 방식
            // var txt2 = document.querySelector("#text1");
            // console.log(txt2);
            // console.log(txt2.value);

            // var txt1 = document.getElementById("text1");
            // console.log(txt1.value);

            // var check_box1 = document.getElementsByName('chk_interest');
            // console.log(check_box1);

            // var check_box1 = document.getElementsByName("chk_interest");
            // // console.log(check_box1);

            // for(var i=0;i<check_box1.length;i++){
            //   if(check_box1[i].checked){
            //     console.log(check_box1[i].value);
            //   }
            // }

            //jQuery 방식
            // var check_box2 = document.querySelectorAll('[name=chk_interest]:checked');
            // console.log(check_box2);

            //jQuery 방식
            // var radio = document.querySelector('[name=radio_email_yn]:checked')
            // console.log(radio.value);

            // var select = document.getElementById("select1");
            // console.log(select.value);

            // var div_txt= document.getElementById("div1");
            // console.log(div_txt);

            // var div_txt= document.getElementById("div1").innerText;
            // console.log(div_txt);

            // var div_txt= document.getElementById("div1").innerHTML;
            // console.log(div_txt);

            console.log(document.getElementsByTagName("div"));

          } //doSave
        </script>
      </body>
    </head>
  </head>
</html>