Ripple effect
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function ripple(el, opts = {}) { | |
const time = opts.time || (+el.getAttribute("data-time") || 1000) * 3; | |
const color = opts.color || el.getAttribute("data-color") || "currentColor"; | |
const opacity = opts.opacity || el.getAttribute("data-opacity") || ".3"; | |
const event = opts.event || el.getAttribute("data-event") || "click"; | |
el.style.overflow = "hidden"; | |
el.style.position = "relative"; | |
el.addEventListener(event, (e) => { | |
if (el.disabled) return; | |
var ripple_div = document.createElement("DIV"); | |
ripple_div.style.position = "absolute"; | |
ripple_div.style.background = `${color}`; | |
ripple_div.style.borderRadius = "50%"; | |
var bx = el.getBoundingClientRect(); | |
var largestdemensions; | |
if (bx.width > bx.height) { | |
largestdemensions = bx.width * 3; | |
} else { | |
largestdemensions = bx.height * 3; | |
} | |
ripple_div.style.pointerEvents = "none"; | |
ripple_div.style.height = `${largestdemensions}px`; | |
ripple_div.style.width = `${largestdemensions}px`; | |
ripple_div.style.transform = `translate(-50%, -50%) scale(0)`; | |
ripple_div.style.top = `${e.pageY - (bx.top + window.scrollY)}px`; | |
ripple_div.style.left = `${e.pageX - (bx.left + window.scrollX)}px`; | |
ripple_div.style.transition = `opacity ${time}ms ease, transform ${time}ms ease`; | |
ripple_div.removeAttribute("data-ripple"); | |
ripple_div.style.opacity = opacity; | |
el.appendChild(ripple_div); | |
setTimeout(() => { | |
ripple_div.style.transform = `translate(-50%, -50%) scale(1)`; | |
ripple_div.style.opacity = "0"; | |
setTimeout(() => { | |
ripple_div.remove(); | |
}, time); | |
}, 1); | |
}); | |
} |
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