const str = "分管副院长意见:110" // let res = str.includes('分管副院长意见', 0) let res = str.includes('院长意见', 0) console.log(res) let index = str.indexOf('院长意见') console.log('索引', index) const str1 = "院长审批意见(接待前)" console.log(str1.indexOf("院长审批意见(接待前)")) console.log(str1.search("院长审批意见(接待前)"))