set value to iterator og ngfor code example
Example 1: ngFor
//for
<div *ngFor='let [data] of [dataArray]; let i=index;'>
<h2> {{i}} {{data.title}} </h2>
<img src='{{data.image}}' />
</div>
//the data contained in an array will be displayed element by element
//similar to the function .map() in React
Example 2: angular loop through key values in map
this.map.forEach((value: string, key: string) => {
console.log(key, value);
});