const string = "XYZ 123 ABC 456 ABC 789 ABC";function getPosition(string, subString, index) { return string.split(subString, index).join(subString).length;}console.log( getPosition(string, 'ABC', 2) // --> 16)
const string = "XYZ 123 ABC 456 ABC 789 ABC";function getPosition(string, subString, index) { return string.split(subString, index).join(subString).length;}console.log( getPosition(string, 'ABC', 2) // --> 16)名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
