//已经解出来了,完整代码如下: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <p id="box"></p> <script> function compare(str, str1) { var strone = str; var strtwo = str1; var obj1 = {}; var obj2 = {}; var rarr = []; var rarr2 =[]; for(var x=0;x<strone.length;x++){ var chart = strone.charAt(x); if(obj1[chart]){ obj1[chart]++; }else{ obj1[chart]=1; } } for (var k in obj1) { if (obj1[k] === 1) { rarr.push(k); } } for (var y = 0; y < strtwo.length; y++) { var chart2 = strtwo.charAt(y); if (obj2[chart2]) { obj2[chart2]++; } else { obj2[chart2] = 1; } } for (var l in obj2) { if (obj2[l] === 1) { rarr2.push(l); } } strone = rarr.join(""); strtwo = rarr2.join(""); for(var i = 0;i<strone.length;i++){ for(var j=0;j<strtwo.length;j++){ if(strone.charAt(i) === strtwo.charAt(j)){ var strr1 = strone.split(`${strone.charAt(i)}`).join(''); var strr2 = strtwo.split(`${strtwo.charAt(j)}`).join(''); } } } var arrNovel = []; arrNovel.push(strr1); arrNovel.push(strr2); var result = arrNovel.join(""); var zsort = result.split("").sort(); var fsort = []; for(var i= zsort.length-1;i>=0;i--){ fsort.push(zsort[i]); }; var lastResult = zsort.concat(fsort).join(""); return lastResult; } window.onload = function () { document.getElementById('box').innerHTML = compare("aaaas1234dasdadassfaf5f4a6f4a684a6dAf", "wqefasf84fs4fsdrd"); } </script> </body> </html>
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