function cssStyle2DomStyle(sName) { const arr = sName.split('-').filter(item => item); let name = ''; for (let i = 0; i < arr.length; i++) { if (i === 0) { //第一个不用处理首字母 name += arr[i]; } else { let newArrF = arr[i].substr(0,1).toUpperCase(); let newArrS = arr[i].substr(1); let newArr = newArrF + newArrS name += newArr } } return name }