Angularjs have a $log directive, This directive major use for to identification debugging and program execution flow understand. It's also safe console message services. $log Directive Methods Method Description Example log() Can write a logger message from this method $log.log($scope.message); info() Can write a logger message for your infomation $log.info($scope.message); warn() Can write a logger message for warning $log.warn($scope.message); error() Can write a logger message for error $log.error($scope.message); debug() Can write a logger message for debug $log.debug($scope.message); $log Example: var app = angular.module("LogApp",[]); app.controller("LogCtrl",function($scope, $log){ $scope.message = "This is sample implementation of $log directive"; $log.log($scope.message); $log.info($scope.message); $log.warn($scope.message); $log.error($scope.message); $log.deb