身份证号尾数计算器 – 在线版

<script>

function calc(str)

{

var coeff = [7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1];

var suffix = ['1','0','x','9','8','7','6','5','4','3','2'];

var sum = 0;

for(var i=0;i<17;i++)

sum += coeff[i] * parseInt(str.charCodeAt(i)-48);

sum %= 11;

str = str.substr(0,17) + suffix[sum];

return str;

}

<script>

<button onclick="alert(calc(prompt('请输入待计算的身份证号（前17位）')))" >计算</button>