文本无缝滚动 vue组件

// 设置样式
export function setStyle (element, styleName, value) {
  if (!element || !styleName) return

  if (typeof styleName === 'object') {
    for (var prop in styleName) {
      if (styleName.hasOwnProperty(prop)) {
        setStyle(element, prop, styleName[prop])
      }
    }
  } else {
    styleName = camelCase(styleName)
    if (styleName === 'opacity' && ieVersion < 9) {
      element.style.filter = isNaN(value) ? '' : 'alpha(opacity=' + value * 100 + ')'
    } else {
      element.style[styleName] = value
    }
  }
},
// 事件绑定
export const on = (function () {
  if (document.addEventListener) {
    return function (element, event, handler) {
      if (element && event && handler) {
        element.addEventListener(event, handler, false)
      }
    }
  } else {
    return function (element, event, handler) {
      if (element && event && handler) {
        element.attachEvent('on' + event, handler)
      }
    }
  }
})()

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