이번 시간에는 flexbox에 대해 학습한다!
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Flex Panels 💪</title>
<link
href="https://fonts.googleapis.com/css?family=Amatic+SC"
rel="stylesheet"
type="text/css"
/>
<link rel="stylesheet" href="style.css" />
<script defer src="main.js"></script>
</head>
<body>
<div class="panels">
<div class="panel panel1">
<p>Hey</p>
<p>Let's</p>
<p>Dance</p>
</div>
<div class="panel panel2">
<p>Give</p>
<p>Take</p>
<p>Receive</p>
</div>
<div class="panel panel3">
<p>Experience</p>
<p>It</p>
<p>Today</p>
</div>
<div class="panel panel4">
<p>Give</p>
<p>All</p>
<p>You can</p>
</div>
<div class="panel panel5">
<p>Life</p>
<p>In</p>
<p>Motion</p>
</div>
</div>
</script>
</body>
</html>
<style > html {
box-sizing: border-box;
background: #ffc600;
font-family: "helvetica neue";
font-size: 20px;
font-weight: 200;
}
body {
margin: 0;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
.panels {
min-height: 100vh;
overflow: hidden;
}
.panel {
background: #6b0f9c;
box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.1);
color: white;
text-align: center;
align-items: center;
/* Safari transitionend event.propertyName === flex */
/* Chrome + FF transitionend event.propertyName === flex-grow */
transition: font-size 0.7s cubic-bezier(0.61, -0.19, 0.7, -0.11),
flex 0.7s cubic-bezier(0.61, -0.19, 0.7, -0.11), background 0.2s;
font-size: 20px;
background-size: cover;
background-position: center;
}
.panel1 {
background-image: url(https://source.unsplash.com/gYl-UtwNg_I/1500x1500);
}
.panel2 {
background-image: url(https://source.unsplash.com/rFKUFzjPYiQ/1500x1500);
}
.panel3 {
background-image: url(https://images.unsplash.com/photo-1465188162913-8fb5709d6d57?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&w=1500&h=1500&fit=crop&s=967e8a713a4e395260793fc8c802901d);
}
.panel4 {
background-image: url(https://source.unsplash.com/ITjiVXcwVng/1500x1500);
}
.panel5 {
background-image: url(https://source.unsplash.com/3MNzGlQM7qs/1500x1500);
}
/* Flex Children */
.panel > * {
margin: 0;
width: 100%;
transition: transform 0.5s;
}
.panel p {
text-transform: uppercase;
font-family: "Amatic SC", cursive;
text-shadow: 0 0 4px rgba(0, 0, 0, 0.72), 0 0 14px rgba(0, 0, 0, 0.45);
font-size: 2em;
}
.panel p:nth-child(2) {
font-size: 4em;
}
.panel p:nth-child(1) {
transform: translateY(-500%);
}
.panel p:nth-child(3) {
transform: translateY(500%);
}
.panel.open-active p:nth-child(1) {
transform: translateY(0);
}
.panel.open-active p:nth-child(3) {
transform: translateY(0);
}
.panel.open {
font-size: 40px;
flex: 5;
}
.panels {
display: flex;
}
.panel {
flex: 1;
display: flex;
flex-direction: column;
justify-content: space-around;
align-items: center;
}
const panels = document.querySelectorAll(".panel");
function toggleOpen() {
this.classList.toggle("open");
}
function toggleActive(e) {
if (e.propertyName === "flex-grow") {
this.classList.toggle("active");
}
}
panels.forEach((panel) => {
panel.addEventListener("click", toggleOpen);
});
panels.forEach((panel) => {
panel.addEventListener("transitionend", toggleActive);
});
는 자식선택자로 바로 뒤에 자식만 가져옴.
const panels = document.querySelectorAll(".panel");
function toggleOpen() {
this.classList.toggle("open");
}
function toggleOpenActive(event) {
if (event.propertyName !== "flex-grow") return;
this.classList.toggle("open-active");
}
panels.forEach((panel) => panel.addEventListener("click", toggleOpen));
panels.forEach((panel) =>
panel.addEventListener("transitionend", toggleOpenActive)
);