javascript 글자선택 안되게.. 드래그 안되게..

css 에 아래사항 기재

html, body{
    height: 100%;
    margin: 0px;
    /* 드래그방지 */
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

 

결과

See the Pen no drag text by noransmile (@noransmile) on CodePen.