Example of the input box digital tensile and retaining several decimal points function implemented by angular

('price', function($parse) {
 return {
  link: function (scope, element, attrs, ctrl) {
    //Control input box can only enter numbers and decimal points    function limit(){
      var limitV=element[0].value;
      limitV=(/[^0-9.]/g,"");
      //Processing integers starting with 0      if ((/^0+[0-9]+$/).test(limitV)) {
        limitV=(/\b(0+)/gi,"");
      }
      //Limit the number of digits after the decimal point      var digits = attrs['digits']?Number(attrs['digits']):2;
      if (limitV*(10,digits)%1!=0) {
        var index = ('.');
        var last = index+digits+1;
        limitV = (""+limitV).substring(0,last);
      }
      element[0].value=limitV;
      $parse(attrs['ngModel']).assign(scope, limitV);
      format();
    }
    //Insert a thousand separator to the integer part of the input number    function format(){
      var formatV=element[0].value;
      var array=new Array();
      array=(".");
      var re=/(-?\d+)(\d{3})/;
      while((array[0])){
        array[0]=array[0].replace(re,"$1,$2")
      }
      var returnV=array[0];
      for(var i=1;i<;i++){
        returnV+="."+array[i];
      }
      element[0].value=returnV;
      $parse(attrs['ngModel']).assign(scope, formatV);
    }
    scope.$watch(,function(){
      limit();
    })
  }
 };
})

<input ng-model="money" price digits="1"/>