Angular ForEach in Angular4/Typescript?

Question

I see many answers about using ngFor when I search for this, but I understand ngFor. I\'m asking about the angular.forEach() constructor used in my Angular 1 contr

Answer 1

In Typescript use the For Each like below.

selectChildren(data, $event) {
let parentChecked = data.checked;
for(var obj in this.hierarchicalData)
    {
        for (var childObj in obj )
        {
            value.checked = parentChecked;
        }
    }
}