How to detect css properties
How to detect css features
If we want to detect whether a css attribute supports
var dom = document.createElement('p'); if ('textShadow' in dom.style) { alert('支持textShadow属性') } else { alert('不支持textShadow属性') }
If we want to detect whether the css3 attribute supports a certain value
var dom = document.createElement('p'); dom.style.backgroundImage = 'linear-gradient(red, tan)'; if (dom.style.backgroundImage) { alert('支持该属性值'); } else { alert('浏览器不支持该属性值') }
How to dynamically assign values A css3 effect and supports all major browsers
function iSlider() {}; /** * @returns {String} * @private */ iSlider.TRANSITION_END_EVENT = null; iSlider.BROWSER_PREFIX = null; (function () { var e = document.createElement('fakeElement'); [ ['WebkitTransition', 'webkitTransitionEnd', 'webkit'], ['transition', 'transitionend', null], ['MozTransition', 'transitionend', 'moz'], ['OTransition', 'oTransitionEnd', 'o'] ].some(function (t) { if (e.style[t[0]] !== undefined) { iSlider.TRANSITION_END_EVENT = t[1]; iSlider.BROWSER_PREFIX = t[2]; return true; } }); })(); /** * @param {String} prop * @param {String} value * @returns {String} * @public */ iSlider.styleProp = function (prop, isDP) { if (iSlider.BROWSER_PREFIX) { if (!!isDP) { return iSlider.BROWSER_PREFIX + IU(prop); } else { return '-' + iSlider.BROWSER_PREFIX + '-' + prop; } } else { return prop; } }; /** * @param {String} prop * @param {HTMLElement} dom * @param {String} value * @public */ iSlider.setStyle = function (dom, prop, value) { dom.style[iSlider.styleProp(prop, 1)] = value; }; /** * @type {Object} * * @param {HTMLElement} dom The wrapper <li> element * @param {String} axis Animate direction * @param {Number} scale Outer wrapper * @param {Number} i Wrapper's index * @param {Number} offset Move distance * @protected */ iSlider._animateFuncs = { normal: (function () { function normal(dom, axis, scale, i, offset) { iSlider.setStyle(dom, 'transform', 'translateZ(0) translate' + axis + '(' + (offset + scale * (i - 1)) + 'px)'); } normal.effect = iSlider.styleProp('transform'); return normal; })() };
Information
css secret
iSlider line 250
How to detect css Features
If we want to detect whether a css attribute supports a certain value
var dom = document.createElement('p'); if ('textShadow' in dom.style) { alert('支持textShadow属性') } else { alert('不支持textShadow属性') }
If we want to detect whether the css3 attribute supports a certain value
var dom = document.createElement('p'); dom.style.backgroundImage = 'linear-gradient(red, tan)'; if (dom.style.backgroundImage) { alert('支持该属性值'); } else { alert('浏览器不支持该属性值') }
How to dynamically assign a value A css3 effect, and supports all mainstream browsers
function iSlider() {}; /** * @returns {String} * @private */ iSlider.TRANSITION_END_EVENT = null; iSlider.BROWSER_PREFIX = null; (function () { var e = document.createElement('fakeElement'); [ ['WebkitTransition', 'webkitTransitionEnd', 'webkit'], ['transition', 'transitionend', null], ['MozTransition', 'transitionend', 'moz'], ['OTransition', 'oTransitionEnd', 'o'] ].some(function (t) { if (e.style[t[0]] !== undefined) { iSlider.TRANSITION_END_EVENT = t[1]; iSlider.BROWSER_PREFIX = t[2]; return true; } }); })(); /** * @param {String} prop * @param {String} value * @returns {String} * @public */ iSlider.styleProp = function (prop, isDP) { if (iSlider.BROWSER_PREFIX) { if (!!isDP) { return iSlider.BROWSER_PREFIX + IU(prop); } else { return '-' + iSlider.BROWSER_PREFIX + '-' + prop; } } else { return prop; } }; /** * @param {String} prop * @param {HTMLElement} dom * @param {String} value * @public */ iSlider.setStyle = function (dom, prop, value) { dom.style[iSlider.styleProp(prop, 1)] = value; }; /** * @type {Object} * * @param {HTMLElement} dom The wrapper <li> element * @param {String} axis Animate direction * @param {Number} scale Outer wrapper * @param {Number} i Wrapper's index * @param {Number} offset Move distance * @protected */ iSlider._animateFuncs = { normal: (function () { function normal(dom, axis, scale, i, offset) { iSlider.setStyle(dom, 'transform', 'translateZ(0) translate' + axis + '(' + (offset + scale * (i - 1)) + 'px)'); } normal.effect = iSlider.styleProp('transform'); return normal; })() };
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