题解 | #将字符串转换为驼峰格式#

function cssStyle2DomStyle(sName) {
    if(/^-/.test(sName)){
        sName = sName.slice(1)
    }
    let arr = sName.split('-')
    for(let len=arr.length,i=0;i<len;i++){
        if(i>0){
            arr[i] = arr[i].charAt(0).toUpperCase() + arr[i].slice(1)
        }
    }
    return arr.join('')
}