a = `it's a dog ,he say 'yes'`
function trans (e) {
if(typeof (e) == 'string'){
const targerArr = e.split("")
const orderList = []
for (let i = 0 ; i< targerArr.length;i++){
if (targerArr[i] === "'" && targerArr[i+1] !== "s"){
orderList.push(i)
}
}
const leftQuotesOrder = []
for (let i = 0; i<orderList.length; i=i+2){
leftQuotesOrder.push(orderList[i])
targerArr[orderList[i]] = "`"
}
return targerArr.join("")
}
}
trans(a)