programming-examples/js/Date/Write a JavaScript function to get the week start date..js

function startOfWeek(date)  
  {  
    var diff = date.getDate() - date.getDay() + (date.getDay() === 0 ? -6 : 1);  
    
    return new Date(date.setDate(diff));  
   
  }  
  
dt = new Date();   
  
console.log(startOfWeek(dt).toString());