Fixing the problem of digest overflow in AngularJS

I've been working on a code to display a random number in my view, but I keep encountering the following error message:

Error: [$rootScope:infdig] 10 $digest() iterations reached. Aborting!

It seems to be related to a digest outflow issue, and I'm unsure of how to troubleshoot it. Here's what I currently have:

HTML

<p>{{getRandomNumber(2, 12)}} providers nearby</p>

controller.js

.controller('ServicesCtrl', function($scope, ServicesData, $stateParams) {  
  $scope.getRandomNumber = function(min, max){
    return Math.floor(Math.random() * (max - min) + min);
  }
});

Answer №1

Using curly braces {{ }} creates a $watch in Angular. The framework will continuously watch the expression and attempt to stabilize its value, but if it involves a random number, it will never achieve stability.

A workaround is available by assigning the random result to a variable using ngInit and utilizing that stable value in your expression.

<p ng-init="foo=getRandomNumber()">{{foo}} providers nearby</p>

Based on the presence of "providers nearby," it seems like the challenges you are facing may not persist in your final code, eliminating the need for this workaround (as fluctuations in provider numbers during a $digest cycle are unlikely).

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