Click the button to jump to a new window onClick={this.handle} handle(){ const w=window.open('about:blank'); w.location.href='你的地址' } div> Post navigation ← A repeated string is composed of two identical strings. For example, abcabc is a repeated string with length of 6, while abcba does not have a duplicate string. Given any string, please help Xiaoqiang find the longest repeated substring. The JSON object is converted into a formdata object, and the formdata object is converted into a JSON object →