题解 | #检查重复字符串#
检查重复字符串
http://www.nowcoder.com/practice/5ef31f11adf64d9fb18d74860e9ab873
{"css":"","js":"function containsRepeatingLetter(str) {\n var result=str.match(/[A-z]{0,}/)\n \n var a=result[0]\n\n for(let i=0;i<a.length;i++){\n if(a.indexOf(a[i])!=i){\n return true\n }\n }\n return false\n}","html":"","libs":[]}
