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Hiệu ứng Smooth Scrolling bằng jQuery mượt mà cho Blogspot
tháng 7 07, 2018 #jQuery #Thủ Thuật Blogspot
Cách thực hiện
Thêm toàn bộ js bên dưới vào trước thẻ</head> trong template.! function() {
var e, t = {
frameRate: 150,
animationTime: 400,
stepSize: 120,
pulseAlgorithm: !0,
pulseScale: 4,
pulseNormalize: 1,
accelerationDelta: 20,
accelerationMax: 1,
keyboardSupport: !0,
arrowScroll: 50,
touchpadSupport: !0,
fixedBackground: !0,
excluded: ""
},
o = t,
a = !1,
n = !1,
r = {
x: 0,
y: 0
},
l = !1,
i = document.documentElement,
c = [],
u = /^Mac/.test(navigator.platform),
d = {
left: 37,
up: 38,
right: 39,
down: 40,
spacebar: 32,
pageup: 33,
pagedown: 34,
end: 35,
home: 36
};
o = t;
function s() {
if (!l && document.body) {
l = !0;
var t = document.body,
r = document.documentElement,
c = window.innerHeight,
u = t.scrollHeight;
if (i = document.compatMode.indexOf("CSS") >= 0 ? r : t, e = t, o.keyboardSupport && z("keydown", b), top != self) n = !0;
else if (u > c && (t.offsetHeight <= c || r.offsetHeight <= c)) {
var d, s = document.createElement("div");
s.style.cssText = "position:absolute; z-index:-10000; top:0; left:0; right:0; height:" + i.scrollHeight + "px", document.body.appendChild(s);
var m = function() {
d || (d = setTimeout(function() {
a || (s.style.height = "0", s.style.height = i.scrollHeight + "px", d = null)
}, 500))
};
setTimeout(m, 10);
if (new N(m).observe(t, {
attributes: !0,
childList: !0,
characterData: !1
}), i.offsetHeight <= c) {
var f = document.createElement("div");
f.style.clear = "both", t.appendChild(f)
}
}
o.fixedBackground || a || (t.style.backgroundAttachment = "scroll", r.style.backgroundAttachment = "scroll")
}
}
var m = [],
f = !1,
h = Date.now();
function p(e, t, a) {
var n, l;
if (l = a, n = (n = t) > 0 ? 1 : -1, l = l > 0 ? 1 : -1, (r.x !== n || r.y !== l) && (r.x = n, r.y = l, m = [], h = 0), 1 != o.accelerationMax) {
var i = Date.now() - h;
if (i < o.accelerationDelta) {
var c = (1 + 50 / i) / 2;
c > 1 && (c = Math.min(c, o.accelerationMax), t *= c, a *= c)
}
h = Date.now()
}
if (m.push({
x: t,
y: a,
lastX: t < 0 ? .99 : -.99,
lastY: a < 0 ? .99 : -.99,
start: Date.now()
}), !f) {
var u = e === document.body,
d = function(n) {
for (var r = Date.now(), l = 0, i = 0, c = 0; c < m.length; c++) {
var s = m[c],
h = r - s.start,
p = h >= o.animationTime,
w = p ? 1 : h / o.animationTime;
o.pulseAlgorithm && (w = R(w));
var b = s.x * w - s.lastX >> 0,
v = s.y * w - s.lastY >> 0;
l += b, i += v, s.lastX += b, s.lastY += v, p && (m.splice(c, 1), c--)
}
u ? window.scrollBy(l, i) : (l && (e.scrollLeft += l), i && (e.scrollTop += i)), t || a || (m = []), m.length ? K(d, e, 1e3 / o.frameRate +
1) : f = !1
};
K(d, e, 0), f = !0
}
}
function w(t) {
l || s();
var a = t.target,
n = T(a);
if (!n || t.defaultPrevented || t.ctrlKey) return !0;
if (X(e, "embed") || X(a, "embed") && /\.pdf/i.test(a.src) || X(e, "object")) return !0;
var r = -t.wheelDeltaX || t.deltaX || 0,
i = -t.wheelDeltaY || t.deltaY || 0;
if (u && (t.wheelDeltaX && Y(t.wheelDeltaX, 120) && (r = t.wheelDeltaX / Math.abs(t.wheelDeltaX) * -120), t.wheelDeltaY && Y(t.wheelDeltaY, 120) && (i =
t.wheelDeltaY / Math.abs(t.wheelDeltaY) * -120)), r || i || (i = -t.wheelDelta || 0), 1 === t.deltaMode && (r *= 40, i *= 40), !o.touchpadSupport &&
function(e) {
if (!e) return;
c.length || (c = [e, e, e]);
return e = Math.abs(e), c.push(e), c.shift(), clearTimeout(S), S = setTimeout(function() {
window.localStorage && (localStorage.SS_deltaBuffer = c.join(","))
}, 1e3), !B(120) && !B(100)
}(i)) return !0;
Math.abs(r) > 1.2 && (r *= o.stepSize / 120), Math.abs(i) > 1.2 && (i *= o.stepSize / 120), p(n, r, i), t.preventDefault(), k()
}
function b(t) {
var a = t.target,
n = t.ctrlKey || t.altKey || t.metaKey || t.shiftKey && t.keyCode !== d.spacebar;
document.contains(e) || (e = document.activeElement);
var r = /^(button|submit|radio|checkbox|file|color|image)$/i;
if (/^(textarea|select|embed|object)$/i.test(a.nodeName) || X(a, "input") && !r.test(a.type) || X(e, "video") || function(e) {
var t = e.target,
o = !1;
if (-1 != document.URL.indexOf("www.youtube.com/watch"))
do {
if (o = t.classList && t.classList.contains("html5-video-controls")) break
} while (t = t.parentNode);
return o
}(t) || a.isContentEditable || t.defaultPrevented || n) return !0;
if ((X(a, "button") || X(a, "input") && r.test(a.type)) && t.keyCode === d.spacebar) return !0;
var l = 0,
i = 0,
c = T(e),
u = c.clientHeight;
switch (c == document.body && (u = window.innerHeight), t.keyCode) {
case d.up:
i = -o.arrowScroll;
break;
case d.down:
i = o.arrowScroll;
break;
case d.spacebar:
i = -(t.shiftKey ? 1 : -1) * u * .9;
break;
case d.pageup:
i = .9 * -u;
break;
case d.pagedown:
i = .9 * u;
break;
case d.home:
i = -c.scrollTop;
break;
case d.end:
var s = c.scrollHeight - c.scrollTop - u;
i = s > 0 ? s + 10 : 0;
break;
case d.left:
l = -o.arrowScroll;
break;
case d.right:
l = o.arrowScroll;
break;
default:
return !0
}
p(c, l, i), t.preventDefault(), k()
}
function v(t) {
e = t.target
}
var g, y, S, x = (g = 0, function(e) {
return e.uniqueID || (e.uniqueID = g++)
}),
D = {};
function k() {
clearTimeout(y), y = setInterval(function() {
D = {}
}, 1e3)
}
function M(e, t) {
for (var o = e.length; o--;) D[x(e[o])] = t;
return t
}
function T(e) {
var t = [],
o = document.body,
a = i.scrollHeight;
do {
var r = D[x(e)];
if (r) return M(t, r);
if (t.push(e), a === e.scrollHeight) {
var l = C(i) && C(o) || E(i);
if (n && H(i) || !n && l) return M(t, q())
} else if (H(e) && E(e)) return M(t, e)
} while (e = e.parentElement)
}
function H(e) {
return e.clientHeight + 10 < e.scrollHeight
}
function C(e) {
return "hidden" !== getComputedStyle(e, "").getPropertyValue("overflow-y")
}
function E(e) {
var t = getComputedStyle(e, "").getPropertyValue("overflow-y");
return "scroll" === t || "auto" === t
}
function z(e, t) {
window.addEventListener(e, t, !1)
}
function X(e, t) {
return (e.nodeName || "").toLowerCase() === t.toLowerCase()
}
function Y(e, t) {
return Math.floor(e / t) == e / t
}
function B(e) {
return Y(c[0], e) && Y(c[1], e) && Y(c[2], e)
}
window.localStorage && localStorage.SS_deltaBuffer && (c = localStorage.SS_deltaBuffer.split(","));
var L, A, K = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(e, t, o) {
window.setTimeout(e, o || 1e3 / 60)
},
N = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
q = function() {
if (!L) {
var e = document.createElement("div");
e.style.cssText = "height:10000px;width:1px;", document.body.appendChild(e);
var t = document.body.scrollTop;
document.documentElement.scrollTop, window.scrollBy(0, 1), L = document.body.scrollTop != t ? document.body : document.documentElement, window.scrollBy(
0, -1), document.body.removeChild(e)
}
return L
};
function O(e) {
var t, a;
return (e *= o.pulseScale) < 1 ? t = e - (1 - Math.exp(-e)) : (e -= 1, t = (a = Math.exp(-1)) + (1 - Math.exp(-e)) * (1 - a)), t * o.pulseNormalize
}
function R(e) {
return e >= 1 ? 1 : e <= 0 ? 0 : (1 == o.pulseNormalize && (o.pulseNormalize /= O(1)), O(e))
}
"onwheel" in document.createElement("div") ? A = "wheel" : "onmousewheel" in document.createElement("div") && (A = "mousewheel"), A && (z(A, w), z(
"mousedown", v), z("load", s))
}();
Sau đó lưu mẫu là xong! Lưu ý phải có thư viện jquery sẵn trong template thì hiệu ứng mới chạy nhé!
Mặc định trên mỗi trang web thì khi chúng ta cuộn lên cuộn xuống sẽ không được mềm mại và mượt, với đoạn jquery effect dưới đây, mình sẽ mang hiệu ứng cuộn mượt mà đó vào Blogspot. Đã áp dụng trên bacsiwindows.com
Cách thực hiện
Thêm toàn bộ js bên dưới vào trước thẻ</head> trong template.! function() {
var e, t = {
frameRate: 150,
animationTime: 400,
stepSize: 120,
pulseAlgorithm: !0,
pulseScale: 4,
pulseNormalize: 1,
accelerationDelta: 20,
accelerationMax: 1,
keyboardSupport: !0,
arrowScroll: 50,
touchpadSupport: !0,
fixedBackground: !0,
excluded: ""
},
o = t,
a = !1,
n = !1,
r = {
x: 0,
y: 0
},
l = !1,
i = document.documentElement,
c = [],
u = /^Mac/.test(navigator.platform),
d = {
left: 37,
up: 38,
right: 39,
down: 40,
spacebar: 32,
pageup: 33,
pagedown: 34,
end: 35,
home: 36
};
o = t;
function s() {
if (!l && document.body) {
l = !0;
var t = document.body,
r = document.documentElement,
c = window.innerHeight,
u = t.scrollHeight;
if (i = document.compatMode.indexOf("CSS") >= 0 ? r : t, e = t, o.keyboardSupport && z("keydown", b), top != self) n = !0;
else if (u > c && (t.offsetHeight <= c || r.offsetHeight <= c)) {
var d, s = document.createElement("div");
s.style.cssText = "position:absolute; z-index:-10000; top:0; left:0; right:0; height:" + i.scrollHeight + "px", document.body.appendChild(s);
var m = function() {
d || (d = setTimeout(function() {
a || (s.style.height = "0", s.style.height = i.scrollHeight + "px", d = null)
}, 500))
};
setTimeout(m, 10);
if (new N(m).observe(t, {
attributes: !0,
childList: !0,
characterData: !1
}), i.offsetHeight <= c) {
var f = document.createElement("div");
f.style.clear = "both", t.appendChild(f)
}
}
o.fixedBackground || a || (t.style.backgroundAttachment = "scroll", r.style.backgroundAttachment = "scroll")
}
}
var m = [],
f = !1,
h = Date.now();
function p(e, t, a) {
var n, l;
if (l = a, n = (n = t) > 0 ? 1 : -1, l = l > 0 ? 1 : -1, (r.x !== n || r.y !== l) && (r.x = n, r.y = l, m = [], h = 0), 1 != o.accelerationMax) {
var i = Date.now() - h;
if (i < o.accelerationDelta) {
var c = (1 + 50 / i) / 2;
c > 1 && (c = Math.min(c, o.accelerationMax), t *= c, a *= c)
}
h = Date.now()
}
if (m.push({
x: t,
y: a,
lastX: t < 0 ? .99 : -.99,
lastY: a < 0 ? .99 : -.99,
start: Date.now()
}), !f) {
var u = e === document.body,
d = function(n) {
for (var r = Date.now(), l = 0, i = 0, c = 0; c < m.length; c++) {
var s = m[c],
h = r - s.start,
p = h >= o.animationTime,
w = p ? 1 : h / o.animationTime;
o.pulseAlgorithm && (w = R(w));
var b = s.x * w - s.lastX >> 0,
v = s.y * w - s.lastY >> 0;
l += b, i += v, s.lastX += b, s.lastY += v, p && (m.splice(c, 1), c--)
}
u ? window.scrollBy(l, i) : (l && (e.scrollLeft += l), i && (e.scrollTop += i)), t || a || (m = []), m.length ? K(d, e, 1e3 / o.frameRate +
1) : f = !1
};
K(d, e, 0), f = !0
}
}
function w(t) {
l || s();
var a = t.target,
n = T(a);
if (!n || t.defaultPrevented || t.ctrlKey) return !0;
if (X(e, "embed") || X(a, "embed") && /\.pdf/i.test(a.src) || X(e, "object")) return !0;
var r = -t.wheelDeltaX || t.deltaX || 0,
i = -t.wheelDeltaY || t.deltaY || 0;
if (u && (t.wheelDeltaX && Y(t.wheelDeltaX, 120) && (r = t.wheelDeltaX / Math.abs(t.wheelDeltaX) * -120), t.wheelDeltaY && Y(t.wheelDeltaY, 120) && (i =
t.wheelDeltaY / Math.abs(t.wheelDeltaY) * -120)), r || i || (i = -t.wheelDelta || 0), 1 === t.deltaMode && (r *= 40, i *= 40), !o.touchpadSupport &&
function(e) {
if (!e) return;
c.length || (c = [e, e, e]);
return e = Math.abs(e), c.push(e), c.shift(), clearTimeout(S), S = setTimeout(function() {
window.localStorage && (localStorage.SS_deltaBuffer = c.join(","))
}, 1e3), !B(120) && !B(100)
}(i)) return !0;
Math.abs(r) > 1.2 && (r *= o.stepSize / 120), Math.abs(i) > 1.2 && (i *= o.stepSize / 120), p(n, r, i), t.preventDefault(), k()
}
function b(t) {
var a = t.target,
n = t.ctrlKey || t.altKey || t.metaKey || t.shiftKey && t.keyCode !== d.spacebar;
document.contains(e) || (e = document.activeElement);
var r = /^(button|submit|radio|checkbox|file|color|image)$/i;
if (/^(textarea|select|embed|object)$/i.test(a.nodeName) || X(a, "input") && !r.test(a.type) || X(e, "video") || function(e) {
var t = e.target,
o = !1;
if (-1 != document.URL.indexOf("www.youtube.com/watch"))
do {
if (o = t.classList && t.classList.contains("html5-video-controls")) break
} while (t = t.parentNode);
return o
}(t) || a.isContentEditable || t.defaultPrevented || n) return !0;
if ((X(a, "button") || X(a, "input") && r.test(a.type)) && t.keyCode === d.spacebar) return !0;
var l = 0,
i = 0,
c = T(e),
u = c.clientHeight;
switch (c == document.body && (u = window.innerHeight), t.keyCode) {
case d.up:
i = -o.arrowScroll;
break;
case d.down:
i = o.arrowScroll;
break;
case d.spacebar:
i = -(t.shiftKey ? 1 : -1) * u * .9;
break;
case d.pageup:
i = .9 * -u;
break;
case d.pagedown:
i = .9 * u;
break;
case d.home:
i = -c.scrollTop;
break;
case d.end:
var s = c.scrollHeight - c.scrollTop - u;
i = s > 0 ? s + 10 : 0;
break;
case d.left:
l = -o.arrowScroll;
break;
case d.right:
l = o.arrowScroll;
break;
default:
return !0
}
p(c, l, i), t.preventDefault(), k()
}
function v(t) {
e = t.target
}
var g, y, S, x = (g = 0, function(e) {
return e.uniqueID || (e.uniqueID = g++)
}),
D = {};
function k() {
clearTimeout(y), y = setInterval(function() {
D = {}
}, 1e3)
}
function M(e, t) {
for (var o = e.length; o--;) D[x(e[o])] = t;
return t
}
function T(e) {
var t = [],
o = document.body,
a = i.scrollHeight;
do {
var r = D[x(e)];
if (r) return M(t, r);
if (t.push(e), a === e.scrollHeight) {
var l = C(i) && C(o) || E(i);
if (n && H(i) || !n && l) return M(t, q())
} else if (H(e) && E(e)) return M(t, e)
} while (e = e.parentElement)
}
function H(e) {
return e.clientHeight + 10 < e.scrollHeight
}
function C(e) {
return "hidden" !== getComputedStyle(e, "").getPropertyValue("overflow-y")
}
function E(e) {
var t = getComputedStyle(e, "").getPropertyValue("overflow-y");
return "scroll" === t || "auto" === t
}
function z(e, t) {
window.addEventListener(e, t, !1)
}
function X(e, t) {
return (e.nodeName || "").toLowerCase() === t.toLowerCase()
}
function Y(e, t) {
return Math.floor(e / t) == e / t
}
function B(e) {
return Y(c[0], e) && Y(c[1], e) && Y(c[2], e)
}
window.localStorage && localStorage.SS_deltaBuffer && (c = localStorage.SS_deltaBuffer.split(","));
var L, A, K = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(e, t, o) {
window.setTimeout(e, o || 1e3 / 60)
},
N = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
q = function() {
if (!L) {
var e = document.createElement("div");
e.style.cssText = "height:10000px;width:1px;", document.body.appendChild(e);
var t = document.body.scrollTop;
document.documentElement.scrollTop, window.scrollBy(0, 1), L = document.body.scrollTop != t ? document.body : document.documentElement, window.scrollBy(
0, -1), document.body.removeChild(e)
}
return L
};
function O(e) {
var t, a;
return (e *= o.pulseScale) < 1 ? t = e - (1 - Math.exp(-e)) : (e -= 1, t = (a = Math.exp(-1)) + (1 - Math.exp(-e)) * (1 - a)), t * o.pulseNormalize
}
function R(e) {
return e >= 1 ? 1 : e <= 0 ? 0 : (1 == o.pulseNormalize && (o.pulseNormalize /= O(1)), O(e))
}
"onwheel" in document.createElement("div") ? A = "wheel" : "onmousewheel" in document.createElement("div") && (A = "mousewheel"), A && (z(A, w), z(
"mousedown", v), z("load", s))
}();
Sau đó lưu mẫu là xong! Lưu ý phải có thư viện jquery sẵn trong template thì hiệu ứng mới chạy nhé!