的最新版本,它工作在所有瀏覽器,完美複製smoothscroll效果。
打開Smoothscroll.js並用下面的代碼
/*!
* smooth-scroll v9.1.1: Animate scrolling to anchor links
* (c) 2016 Chris Ferdinandi
* MIT License
* http://github.com/cferdinandi/smooth-scroll
*/
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
define([], factory(root));
} else if (typeof exports === 'object') {
module.exports = factory(root);
} else {
root.smoothScroll = factory(root);
}
})(typeof global !== 'undefined' ? global : this.window || this.global, function (root) {
'use strict';
//
// Variables
//
var smoothScroll = {}; // Object for public APIs
var supports = 'querySelector' in document && 'addEventListener' in root; // Feature test
var settings, eventTimeout, fixedHeader, headerHeight, animationInterval;
// Default settings
var defaults = {
selector: '[data-scroll]',
selectorHeader: '[data-scroll-header]',
speed: 500,
easing: 'easeInOutCubic',
offset: 0,
updateURL: true,
callback: function() {}
};
//
// Methods
//
/**
* Merge two or more objects. Returns a new object.
* @private
* @param {Boolean} deep If true, do a deep (or recursive) merge [optional]
* @param {Object} objects The objects to merge together
* @returns {Object} Merged values of defaults and options
*/
var extend = function() {
// Variables
var extended = {};
var deep = false;
var i = 0;
var length = arguments.length;
// Check if a deep merge
if (Object.prototype.toString.call(arguments[0]) === '[object Boolean]') {
deep = arguments[0];
i++;
}
// Merge the object into the extended object
var merge = function (obj) {
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// If deep merge and property is an object, merge properties
if (deep && Object.prototype.toString.call(obj[prop]) === '[object Object]') {
extended[prop] = extend(true, extended[prop], obj[prop]);
} else {
extended[prop] = obj[prop];
}
}
}
};
// Loop through each object and conduct a merge
for (; i < length; i++) {
var obj = arguments[i];
merge(obj);
}
return extended;
};
/**
* Get the height of an element.
* @private
* @param {Node} elem The element to get the height of
* @return {Number} The element's height in pixels
*/
var getHeight = function (elem) {
return Math.max(elem.scrollHeight, elem.offsetHeight, elem.clientHeight);
};
/**
* Get the closest matching element up the DOM tree.
* @private
* @param {Element} elem Starting element
* @param {String} selector Selector to match against (class, ID, data attribute, or tag)
* @return {Boolean|Element} Returns null if not match found
*/
var getClosest = function (elem, selector) {
// Variables
var firstChar = selector.charAt(0);
var supports = 'classList' in document.documentElement;
var attribute, value;
// If selector is a data attribute, split attribute from value
if (firstChar === '[') {
selector = selector.substr(1, selector.length - 2);
attribute = selector.split('=');
if (attribute.length > 1) {
value = true;
attribute[1] = attribute[1].replace(/"/g, '').replace(/'/g, '');
}
}
// Get closest match
for (; elem && elem !== document; elem = elem.parentNode) {
// If selector is a class
if (firstChar === '.') {
if (supports) {
if (elem.classList.contains(selector.substr(1))) {
return elem;
}
} else {
if (new RegExp('(^|\\s)' + selector.substr(1) + '(\\s|$)').test(elem.className)) {
return elem;
}
}
}
// If selector is an ID
if (firstChar === '#') {
if (elem.id === selector.substr(1)) {
return elem;
}
}
// If selector is a data attribute
if (firstChar === '[') {
if (elem.hasAttribute(attribute[0])) {
if (value) {
if (elem.getAttribute(attribute[0]) === attribute[1]) {
return elem;
}
} else {
return elem;
}
}
}
// If selector is a tag
if (elem.tagName.toLowerCase() === selector) {
return elem;
}
}
return null;
};
/**
* Escape special characters for use with querySelector
* @public
* @param {String} id The anchor ID to escape
* @author Mathias Bynens
* @link https://github.com/mathiasbynens/CSS.escape
*/
smoothScroll.escapeCharacters = function (id) {
// Remove leading hash
if (id.charAt(0) === '#') {
id = id.substr(1);
}
var string = String(id);
var length = string.length;
var index = -1;
var codeUnit;
var result = '';
var firstCodeUnit = string.charCodeAt(0);
while (++index < length) {
codeUnit = string.charCodeAt(index);
// Note: there’s no need to special-case astral symbols, surrogate
// pairs, or lone surrogates.
// If the character is NULL (U+0000), then throw an
// `InvalidCharacterError` exception and terminate these steps.
if (codeUnit === 0x0000) {
throw new InvalidCharacterError(
'Invalid character: the input contains U+0000.'
);
}
if (
// If the character is in the range [\1-\1F] (U+0001 to U+001F) or is
// U+007F, […]
(codeUnit >= 0x0001 && codeUnit <= 0x001F) || codeUnit == 0x007F ||
// If the character is the first character and is in the range [0-9]
// (U+0030 to U+0039), […]
(index === 0 && codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
// If the character is the second character and is in the range [0-9]
// (U+0030 to U+0039) and the first character is a `-` (U+002D), […]
(
index === 1 &&
codeUnit >= 0x0030 && codeUnit <= 0x0039 &&
firstCodeUnit === 0x002D
)
) {
// http://dev.w3.org/csswg/cssom/#escape-a-character-as-code-point
result += '\\' + codeUnit.toString(16) + ' ';
continue;
}
// If the character is not handled by one of the above rules and is
// greater than or equal to U+0080, is `-` (U+002D) or `_` (U+005F), or
// is in one of the ranges [0-9] (U+0030 to U+0039), [A-Z] (U+0041 to
// U+005A), or [a-z] (U+0061 to U+007A), […]
if (
codeUnit >= 0x0080 ||
codeUnit === 0x002D ||
codeUnit === 0x005F ||
codeUnit >= 0x0030 && codeUnit <= 0x0039 ||
codeUnit >= 0x0041 && codeUnit <= 0x005A ||
codeUnit >= 0x0061 && codeUnit <= 0x007A
) {
// the character itself
result += string.charAt(index);
continue;
}
// Otherwise, the escaped character.
// http://dev.w3.org/csswg/cssom/#escape-a-character
result += '\\' + string.charAt(index);
}
return '#' + result;
};
/**
* Calculate the easing pattern
* @private
* @link https://gist.github.com/gre/1650294
* @param {String} type Easing pattern
* @param {Number} time Time animation should take to complete
* @returns {Number}
*/
var easingPattern = function (type, time) {
var pattern;
if (type === 'easeInQuad') pattern = time * time; // accelerating from zero velocity
if (type === 'easeOutQuad') pattern = time * (2 - time); // decelerating to zero velocity
if (type === 'easeInOutQuad') pattern = time < 0.5 ? 2 * time * time : -1 + (4 - 2 * time) * time; // acceleration until halfway, then deceleration
if (type === 'easeInCubic') pattern = time * time * time; // accelerating from zero velocity
if (type === 'easeOutCubic') pattern = (--time) * time * time + 1; // decelerating to zero velocity
if (type === 'easeInOutCubic') pattern = time < 0.5 ? 4 * time * time * time : (time - 1) * (2 * time - 2) * (2 * time - 2) + 1; // acceleration until halfway, then deceleration
if (type === 'easeInQuart') pattern = time * time * time * time; // accelerating from zero velocity
if (type === 'easeOutQuart') pattern = 1 - (--time) * time * time * time; // decelerating to zero velocity
if (type === 'easeInOutQuart') pattern = time < 0.5 ? 8 * time * time * time * time : 1 - 8 * (--time) * time * time * time; // acceleration until halfway, then deceleration
if (type === 'easeInQuint') pattern = time * time * time * time * time; // accelerating from zero velocity
if (type === 'easeOutQuint') pattern = 1 + (--time) * time * time * time * time; // decelerating to zero velocity
if (type === 'easeInOutQuint') pattern = time < 0.5 ? 16 * time * time * time * time * time : 1 + 16 * (--time) * time * time * time * time; // acceleration until halfway, then deceleration
return pattern || time; // no easing, no acceleration
};
/**
* Calculate how far to scroll
* @private
* @param {Element} anchor The anchor element to scroll to
* @param {Number} headerHeight Height of a fixed header, if any
* @param {Number} offset Number of pixels by which to offset scroll
* @returns {Number}
*/
var getEndLocation = function (anchor, headerHeight, offset) {
var location = 0;
if (anchor.offsetParent) {
do {
location += anchor.offsetTop;
anchor = anchor.offsetParent;
} while (anchor);
}
location = location - headerHeight - offset;
return location >= 0 ? location : 0;
};
/**
* Determine the document's height
* @private
* @returns {Number}
*/
var getDocumentHeight = function() {
return Math.max(
root.document.body.scrollHeight, root.document.documentElement.scrollHeight,
root.document.body.offsetHeight, root.document.documentElement.offsetHeight,
root.document.body.clientHeight, root.document.documentElement.clientHeight
);
};
/**
* Convert data-options attribute into an object of key/value pairs
* @private
* @param {String} options Link-specific options as a data attribute string
* @returns {Object}
*/
var getDataOptions = function (options) {
return !options || !(typeof JSON === 'object' && typeof JSON.parse === 'function') ? {} : JSON.parse(options);
};
/**
* Update the URL
* @private
* @param {Element} anchor The element to scroll to
* @param {Boolean} url Whether or not to update the URL history
*/
var updateUrl = function (anchor, url) {
if (root.history.pushState && (url || url === 'true') && root.location.protocol !== 'file:') {
root.history.pushState(null, null, [root.location.protocol, '//', root.location.host, root.location.pathname, root.location.search, anchor].join(''));
}
};
var getHeaderHeight = function (header) {
return header === null ? 0 : (getHeight(header) + header.offsetTop);
};
/**
* Start/stop the scrolling animation
* @public
* @param {Element} anchor The element to scroll to
* @param {Element} toggle The element that toggled the scroll event
* @param {Object} options
*/
smoothScroll.animateScroll = function (anchor, toggle, options) {
// Options and overrides
var overrides = getDataOptions(toggle ? toggle.getAttribute('data-options') : null);
var animateSettings = extend(settings || defaults, options || {}, overrides); // Merge user options with defaults
// Selectors and variables
var isNum = Object.prototype.toString.call(anchor) === '[object Number]' ? true : false;
var anchorElem = isNum ? null : (anchor === '#' ? root.document.documentElement : root.document.querySelector(anchor));
if (!isNum && !anchorElem) return;
var startLocation = root.pageYOffset; // Current location on the page
if (!fixedHeader) { fixedHeader = root.document.querySelector(animateSettings.selectorHeader); } // Get the fixed header if not already set
if (!headerHeight) { headerHeight = getHeaderHeight(fixedHeader); } // Get the height of a fixed header if one exists and not already set
var endLocation = isNum ? anchor : getEndLocation(anchorElem, headerHeight, parseInt(animateSettings.offset, 10)); // Location to scroll to
var distance = endLocation - startLocation; // distance to travel
var documentHeight = getDocumentHeight();
var timeLapsed = 0;
var percentage, position;
// Update URL
if (!isNum) {
updateUrl(anchor, animateSettings.updateURL);
}
/**
* Stop the scroll animation when it reaches its target (or the bottom/top of page)
* @private
* @param {Number} position Current position on the page
* @param {Number} endLocation Scroll to location
* @param {Number} animationInterval How much to scroll on this loop
*/
var stopAnimateScroll = function (position, endLocation, animationInterval) {
var currentLocation = root.pageYOffset;
if (position == endLocation || currentLocation == endLocation || ((root.innerHeight + currentLocation) >= documentHeight)) {
clearInterval(animationInterval);
if (!isNum) {
anchorElem.focus();
}
animateSettings.callback(anchor, toggle); // Run callbacks after animation complete
}
};
/**
* Loop scrolling animation
* @private
*/
var loopAnimateScroll = function() {
timeLapsed += 16;
percentage = (timeLapsed/parseInt(animateSettings.speed, 10));
percentage = (percentage > 1) ? 1 : percentage;
position = startLocation + (distance * easingPattern(animateSettings.easing, percentage));
root.scrollTo(0, Math.floor(position));
stopAnimateScroll(position, endLocation, animationInterval);
};
/**
* Set interval timer
* @private
*/
var startAnimateScroll = function() {
clearInterval(animationInterval);
animationInterval = setInterval(loopAnimateScroll, 16);
};
/**
* Reset position to fix weird iOS bug
* @link https://github.com/cferdinandi/smooth-scroll/issues/45
*/
if (root.pageYOffset === 0) {
root.scrollTo(0, 0);
}
// Start scrolling animation
startAnimateScroll();
};
/**
* If smooth scroll element clicked, animate scroll
* @private
*/
var eventHandler = function (event) {
// Don't run if right-click or command/control + click
if (event.button !== 0 || event.metaKey || event.ctrlKey) return;
// If a smooth scroll link, animate it
var toggle = getClosest(event.target, settings.selector);
if (toggle && toggle.tagName.toLowerCase() === 'a') {
event.preventDefault(); // Prevent default click event
var hash = smoothScroll.escapeCharacters(toggle.hash); // Escape hash characters
smoothScroll.animateScroll(hash, toggle, settings); // Animate scroll
}
};
/**
* On window scroll and resize, only run events at a rate of 15fps for better performance
* @private
* @param {Function} eventTimeout Timeout function
* @param {Object} settings
*/
var eventThrottler = function (event) {
if (!eventTimeout) {
eventTimeout = setTimeout(function() {
eventTimeout = null; // Reset timeout
headerHeight = getHeaderHeight(fixedHeader); // Get the height of a fixed header if one exists
}, 66);
}
};
/**
* Destroy the current initialization.
* @public
*/
smoothScroll.destroy = function() {
// If plugin isn't already initialized, stop
if (!settings) return;
// Remove event listeners
root.document.removeEventListener('click', eventHandler, false);
root.removeEventListener('resize', eventThrottler, false);
// Reset varaibles
settings = null;
eventTimeout = null;
fixedHeader = null;
headerHeight = null;
animationInterval = null;
};
/**
* Initialize Smooth Scroll
* @public
* @param {Object} options User settings
*/
smoothScroll.init = function (options) {
// feature test
if (!supports) return;
// Destroy any existing initializations
smoothScroll.destroy();
// Selectors and variables
settings = extend(defaults, options || {}); // Merge user options with defaults
fixedHeader = root.document.querySelector(settings.selectorHeader); // Get the fixed header
headerHeight = getHeaderHeight(fixedHeader);
// When a toggle is clicked, run the click handler
root.document.addEventListener('click', eventHandler, false);
if (fixedHeader) { root.addEventListener('resize', eventThrottler, false); }
};
//
// Public APIs
//
return smoothScroll;
});
確保鏈接smoothscroll.js叫下面的jquery.js,然後,那些下方,粘貼以下替換:
<script>
smoothScroll.init();
</script>
更換使用該類
<a class="smoothscroll" href ="">
的任何鏈接被替換爲DAT電子滾動代替。任何使用smoothscroll類的東西都不適用於chrome。
試試吧!它適用於受此問題影響的所有我的網站!
我只是瀏覽你的網站在Chrome和所有錨似乎工作沒有任何問題。 – Ashi
這可能是因爲你的Chrome版本?礦是最新的,你的呢?它不適用於我的電腦或我客戶的電腦。順便說一句是一個macbook另一個電腦。 –
礦是最新 – Ashi