javaScript/JS Tutorial
[자바스크립트] 대소문자 변환
mooyou
2022. 9. 13. 21:48
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toUpperCase() - 대문자로 변환
toLowerCase() - 소문자로 변환
<p id="demo">Hello!</p>
<button onclick="btnUpper()">대문자로</button>
<button onclick="btnLower()">소문자로</button>
<script>
let text = document.getElementById("demo").innerHTML;
function btnUpper(){
document.getElementById("demo").innerHTML = text.toUpperCase();
}
function btnLower(){
document.getElementById("demo").innerHTML = text.toLowerCase();
}
</script>
실행결과
See the Pen toUpperCase(), toLowerCase() by kim oya (@ttuttu) on CodePen.
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