创建百分比计算器

Question

我正在尝试创建一个计算器,它给出了一个人收入的百分比.我是JavaScript和jQuery的新手.

这给了

未捕获的ReferenceError:未定义计算未
捕获的语法错误:意外的标记

function calculate();
{   

      var annual_Income = jQuery('#a1').val();
      var income_Pledged = (jQuery('#a2').val()/100;
      var x = annual_Income * income_Pledged;
      var weekly = Math.floor(x/52);
      var monthly = Math.floor(x/12);
      var quarterly = Math.floor(x/4);   
      var annual_total = weekly + monthly + quarterly;
      var htmlstr = '<div> <p>Annual Household Income: $ ' + annual_Income + '</p><p>Weekly Pledge: $ '  + weekly + '</p><p>Monthly Pledge: $ '  + monthly +
                   '</p><p>Quaterly Pledge: $ '  + quarterly + ' </p><p>Annual Pledge: $ '  + annual_total + '</p>';

      //alert(x);
      jQuery( "div.result-container" ).html( htmlstr ); 


}

Answer 1

从第一行删除分号:

function calculate();

您还在以下行中有不平衡的括号:

var income_Pledged = (jQuery('#a2').val()/100;