<html> <form name="zu1"> <textarea name = "textBox" cols = "50" rows = "8" style = "width:96%;"></textarea> <input onclick = "ziPin()" type = "button" value = "统计字频" > <p id = "showResult1"></p> <p id = "showResult2"></p> </form> </html> <script> function ziPin(){ var str = document.zu1.textBox.value; var result=[]; for(let i=0;i<str.length;i++ ){ if(result[str[i]]) result[str[i]]++; else result[str[i]]=1; } var objArr=[]; for(let key in result ){ let item={type:key,freq:result[key]}; objArr.push(item); } function compare(a,b){ return b.freq-a.freq; } objArr.sort(compare); var myString = JSON.stringify(objArr); document.getElementById("showResult1").innerHTML =myString; var txt="<table border=\"1\"><tr><th>TYPE</th><th>FREQ</th></tr>"; for(let v=0; v<objArr.length; ++v ) txt = txt +"<tr><td>" + objArr[v].type + "</td>&nbsp&nbsp<td>"+objArr[v].freq + "</td></tr>"; txt=txt+"</table>"; document.getElementById("showResult2").innerHTML = txt; }; </script> 注释

时间: 2024-03-07 10:52:20 浏览: 106

EXE

统计字频的工具

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