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)