콘솔 창에 띄우기
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>자소서 글자수 계산기</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
<style>
h1 {
margin-top: 30px;
}
#count {
float: right;
}
</style>
</head>
<body class="container">
<h1>자기소개</h1>
<textarea class="form-control" rows="3" id="jasoseol">저는 인성 문제가 없습니다.</textarea>
<script>
var content = document.getElementById('jasoseol').value;
console.log(content);
</script>
</body>
</html>글자 수 세기
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>자소서 글자수 계산기</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
<style>
h1 {
margin-top: 30px;
}
#count {
float: right;
}
</style>
</head>
<body class="container">
<h1>자기소개</h1>
<textarea class="form-control" rows="3" id="jasoseol">저는 인성 문제가 없습니다.</textarea>
<script>
var content = document.getElementById('jasoseol').value;
console.log(content.length);
</script>
</body>
</html>15
글자 수 표기
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>자소서 글자수 계산기</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
<style>
h1 {
margin-top: 30px;
}
#count {
float: right;
}
</style>
</head>
<body class="container">
<h1>자기소개</h1>
<textarea class="form-control" rows="3" id="jasoseol">저는 인성 문제가 없습니다.</textarea>
<span id="count">(0/200)</span>
<script>
var content = document.getElementById('jasoseol').value;
document.getElementById('count').innerHTML = '(' + content.length + '/200)';
</script>
</body>
</html>
글자 수 표기(함수로 기능 묶기)
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>자소서 글자수 계산기</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
<style>
h1 {
margin-top: 30px;
}
#count {
float: right;
}
</style>
</head>
<body class="container">
<h1>자기소개</h1>
<textarea class="form-control" rows="3" id="jasoseol">저는 인성 문제가 없습니다.</textarea>
<span id="count">(0/200)</span>
<script>
function counter(){
var content = document.getElementById('jasoseol').value;
document.getElementById('count').innerHTML = '(' + content.length + '/200)';
}
counter();
</script>
</body>
</html>
글자 작성 시 자동으로 글자수 세기
(키보드 입력할 때마다 글자수 세기 - 이벤트 이용)
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>자소서 글자수 계산기</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
<style>
h1 {
margin-top: 30px;
}
#count {
float: right;
}
</style>
</head>
<body class="container">
<h1>자기소개</h1>
<!-- onkeydown -->
<textarea onkeydown="counter()" class="form-control" rows="3" id="jasoseol">저는 인성 문제가 없습니다.</textarea>
<span id="count">(0/200)</span>
<script>
function counter() {
var content = document.getElementById('jasoseol').value;
document.getElementById('count').innerHTML = '(' + content.length + '/200)';
}
counter();
</script>
</body>
</html>
자소서 글자수 세기(글자수 제한 기능 추가)
200자가 넘으면 더 이상 안써지도록, 200글자 이후는 잘라버리기.
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>자소서 글자수 계산기</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
<style>
h1 {
margin-top: 30px;
}
#count {
float: right;
}
</style>
</head>
<body class="container">
<h1>자기소개</h1>
<textarea class="form-control" rows="3" id="jasoseol" onkeydown="counter();">저는 인성 문제가 없습니다.</textarea>
<span id="count">(0/200)</span>
<script>
function counter() {
var content = document.getElementById('jasoseol').value;
// if, substring
if(content.length > 200){
content = content.substring(0, 200);
document.getElementById('jasoseol').value = content;
}
document.getElementById('count').innerHTML = '(' + content.length + '/200)';
}
counter();
</script>
</body>
</html>
1000자 제한 자소서 글자수 세기 페이지
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>자소서 글자수 계산기</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
<style>
h1 {
margin-top: 30px;
}
#count {
float: right;
}
</style>
</head>
<body class='container'>
<h1>자기소개</h1>
<textarea onkeydown="counter()" class="form-control" rows="3" id="jasoseol"></textarea>
<span id="count">(0/1000)</span>
<script>
function counter(){
var content = document.getElementById('jasoseol').value;
if(content.length > 1000){
content = content.substring(0, 1000);
document.getElementById('jasoseol').value = content;
}
document.getElementById('count').innerHTML = '(' + content.length + '/1000)'
}
counter();
</script>
</body>
</html>
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