html
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<button onclick="console.log('HI');">콘솔 1줄</button>
<button onclick="console.log('HI2'); console.log('HI2');">콘솔 2줄</button>
<button onclick="a();">함수 a</button>
<button onclick="b();">함수 b</button>
<button onclick="c();">함수 c</button>
<button onclick="d();">함수 d</button>
<button onclick="e();">함수 e</button>
<hr>
<div>
텍스트
</div>
css
body {
transition:background-color 2s;
}
js
console.clear();
function a() {
console.log("HI3");
console.log("HI3");
console.log("HI3");
}
function b() {
a();
a();
a();
}
function c() {
$('body').css('background-color', 'gold');
}
function d() {
$('body').css('background-color', '');
}
let no = 0;
function e() {
if ( no % 2 == 0 ) {
$('div').css('background-color', 'green');
}
else {
$('div').css('background-color', 'gold');
}
no = no + 1;
}