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2020.01.28 / 24:46
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<div id="menu">
<a class = "anchorMenu" id = "home" onclick="clickHome();" >Home</a>
<a class = "anchorMenu" id = "seoul" onclick="clickSeoul();" >Seoul</a>
<a class = "anchorMenu" id = "tokyo" onclick="clickTokyo();" >Tokyo</a>
<a class = "anchorMenu" id = "paris" onclick="clickParis();" >Paris</a>
</div>
<img id="photo" src="images/home.png" width="90%">
<script>
// »çÁøÀ» ¹Ù²ãÁÖ´Â ÇÔ¼ö
function clickHome() {
document.getElementById('photo').src = 'images/home.png';
document.getElementsByClassName('anchorMenu').style.fontWeight = 'normal';
document.getElementById('home').style.fontWeight = 'bold'
}
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getElementByID¿Í ´Þ¸® getElementsByClassNameÀº ¿©·¯°³ÀÇ °´Ã¼¸¦ ¹è¿·Î °¡Á®¿À°Ô µË´Ï´Ù. ±×·¡¼ index¸¦ ÅëÇØ ¸í·ÉÀ» ÇØÁÖ¼Å¾ß ÇÕ´Ï´Ù.
½ÇÇàÀ» ½ÃÄѺ¸½Ã°í console â¿¡ document.getElementsByClassName('anchorMenu')À» ÀÔ·ÂÇغ¸½Ã¸é ½±°Ô ÀÌÇØÇÏ ¼ö ÀÖÀ¸½Ç °Ì´Ï´Ù^^