export function hasClass(el, className) {
let reg = new RegExp('(^|\\s)' + className + '(\\s|$)')
return reg.test(el.className)
}
export function addClass(el, className) {
if (hasClass(el, className)) {
return }
let newClass = el.className.split(' ')
newClass.push(className)
el.className = newClass.join(' ')
}
export function getData(el, name, val) {
const prefix = 'data-'
if (val) {
return el.setAttribute(prefix + name, val)
}
return el.getAttribute(prefix + name)}
let elementStyle = document.createElement('div').style
let vendor = (() => {
let transformNames = {
webkit: 'webkitTransform',
Moz: 'MozTransform',
O: 'OTransform',
ms: 'msTransform',
standard: 'transform'
}
for (let key in transformNames) {
if (elementStyle[transformNames[key]] !== undefined) {
return key
}
}
return false
})()
export function prefixStyle(style) {
if (vendor === false) {
return false
}
if (vendor === 'standard') {
return style
}
return vendor + style.charAt(0).toUpperCase() + style.substr(1)
}
