Watch variable and change it

Question

In AngularJS I have a directive that watches a scope variable. When the variable contains certain data then I need to alter that variable a bit. The problem is that when I c

Answer 1

Inside function use if condition to avoide continues for loop

scope.$watch('someVar', function(newValue, oldValue) {
   if(newValue!==oldValue) {
    console.log(newValue);
    scope.someVar = [Do something with someVar];
   } 
});