<! DOCTYPE html > < htmllang = " en" > < head> < metacharset = " UTF-8" > < title> </ title> < linkrel = " stylesheet" href = " ./style.css" > </ head> < body> < divclass = " search-overlay" > </ div> < divclass = " scroll-cont" > < divclass = " content" > < divclass = " search" > < divclass = " search_bg" > </ div> < divclass = " search_box" > < inputtype = " text" class = " search_input" placeholder = " Search" /> < divclass = " search_line" > </ div> < divclass = " search_close" > </ div> </ div> </ div> </ div> </ div> < scriptsrc = " ./script.js" > </ script> </ body> </ html> ( function ( ) {
var $searchOverlay = document. querySelector ( ".search-overlay" ) ;
var $search = document. querySelector ( ".search" ) ;
var $clone, offsetX, offsetY;
$search. addEventListener ( "click" , function ( ) {
var $original = this ;
$clone = this . cloneNode ( true ) ;
$searchOverlay. classList. add ( "s--active" ) ;
$clone. classList. add ( "s--cloned" , "s--hidden" ) ;
$searchOverlay. appendChild ( $clone) ;
var triggerLayout = $searchOverlay. offsetTop;
var originalRect = $original. getBoundingClientRect ( ) ;
var cloneRect = $clone. getBoundingClientRect ( ) ;
offsetX = originalRect. left - cloneRect. left;
offsetY = originalRect. top - cloneRect. top;
$clone. style. transform = "translate(" + offsetX + "px, " + offsetY + "px)" ;
$original. classList. add ( "s--hidden" ) ;
$clone. classList. remove ( "s--hidden" ) ;
var triggerLayout = $searchOverlay. offsetTop;
$clone. classList. add ( "s--moving" ) ;
$clone. setAttribute ( "style" , "" ) ;
$clone. addEventListener ( "transitionend" , openAfterMove) ;
} ) ;
function openAfterMove ( ) {
$clone. classList. add ( "s--active" ) ;
$clone. querySelector ( "input" ) . focus ( ) ;
addCloseHandler ( $clone) ;
$clone. removeEventListener ( "transitionend" , openAfterMove) ;
} ;
function addCloseHandler ( $parent ) {
var $closeBtn = $parent. querySelector ( ".search_close" ) ;
$closeBtn. addEventListener ( "click" , closeHandler) ;
} ;
function closeHandler ( e ) {
$clone. classList. remove ( "s--active" ) ;
e. stopPropagation ( ) ;
var $cloneBg = $clone. querySelector ( ".search_bg" ) ;
$cloneBg. addEventListener ( "transitionend" , moveAfterClose) ;
} ;
function moveAfterClose ( e ) {
e. stopPropagation ( ) ;
$clone. classList. add ( "s--moving" ) ;
$clone. style. transform = "translate(" + offsetX + "px, " + offsetY + "px)" ;
$clone. addEventListener ( "transitionend" , terminateSearch) ;
} ;
function terminateSearch ( e ) {
$search. classList. remove ( "s--hidden" ) ;
$clone. remove ( ) ;
$searchOverlay. classList. remove ( "s--active" ) ;
} ;
} ( ) ) ;
*, *:before, *:after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html, body {
height: 100%;
background-image: url(https://source.unsplash.com/6ZZh8kOyW-4);
background-size: cover;
}
.search-overlay {
z-index: -1000;
overflow: hidden;
position: fixed;
left: 0;
top: 0;
width: 100%;
height: 100%;
}
.search-overlay.s--active {
z-index: 9999;
}
.scroll-cont {
position: relative;
height: 100%;
overflow-y: auto;
}
.content {
padding: 50px;
}
.search {
position: relative;
margin: 0 auto 50px;
width: 100px;
height: 100px;
perspective: 1000px;
}
.search:not(.s--active) {
cursor: pointer;
}
.search.s--hidden {
opacity: 0;
}
.search.s--cloned {
position: absolute;
left: 50%;
top: 50%;
right: auto;
bottom: auto;
margin-left: -58px;
margin-top: -58px;
margin-right: 0;
margin-bottom: 0;
}
.search.s--moving {
transition: transform 0.4s cubic-bezier(0.56, -0.49, 0.58, 0.9);
}
.search_bg {
position: absolute;
left: 50%;
top: 50%;
width: 100%;
height: 100%;
border-radius: 50%;
background: rgba(236, 83, 83, 0.8);
transition: all 0.6s ease;
transform: translate3d(-50%, -50%, 0);
will-change: transform;
}
.search.s--active .search_bg {
transform: translate3d(-50%, -50%, 0) scale(48);
}
.search_box {
position: absolute;
left: 50%;
top: 50%;
width: 40px;
height: 40px;
border: 4px solid #fff;
border-radius: 25px;
transform: translate(-50%, -50%);
transition: all 0.45s ease;
}
.search.s--active .search_box {
width: 510px;
height: 100px;
border-radius: 50px;
}
.search_input {
width: 100%;
height: 100%;
background: transparent;
border: none;
outline: none;
pointer-events: none;
opacity: 0;
color: #fff;
font-size: 40px;
transition: opacity 0s;
}
.search_input::-moz-placeholder {
color: rgba(255, 255, 255, 0.4);
}
.search_input:-ms-input-placeholder {
color: rgba(255, 255, 255, 0.4);
}
.search_input::placeholder {
color: rgba(255, 255, 255, 0.4);
}
.search.s--active .search_input {
padding: 23px 90px 23px 40px;
pointer-events: auto;
opacity: 1;
transition: opacity 0.18s 0.48s;
}
.search_line {
position: absolute;
left: 50%;
top: 50%;
width: 20px;
height: 4px;
border-radius: 2px;
background: #fff;
transform-origin: 0 50%;
transform: translate(12px, 12px) rotate(45deg);
transition: all 0.48s;
}
.search_line:before {
content: "";
position: absolute;
left: 0;
bottom: 0;
width: inherit;
height: inherit;
background: inherit;
border-radius: inherit;
transform: rotate(90deg);
opacity: 0;
transition: opacity 0.3s;
}
.search.s--active .search_line:before {
opacity: 1;
transition: opacity 0.3s 0.42s;
}
.search.s--active .search_line {
width: 36px;
height: 6px;
transform: translate(180px, 11px) rotate(-45deg);
}
.search_close {
position: absolute;
right: 0;
top: 0;
width: 30px;
height: 30px;
pointer-events: none;
}
.search.s--active .search_close {
right: 44px;
top: 33px;
pointer-events: auto;
cursor: pointer;
}
