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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 
  •  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 
  •  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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