//js实现原理 // 1.最大数字 var strArr = 'helloworld520iss1314'.split(''); var len = strArr.length,numArr=[]; var str; for(var i=0; i<len; i++){ if(!isNaN(Number(strArr[i]))){ str += strArr[i]; numArr.push(str); }else{ str = ''; } } numArr.sort((a,b) => { return a-b; }); console.log(...