remove item from stored array in angular 2

Question

I want to remove an item from a stored array in angular 2, with Type Script. I am using a service called Data Service, the DataService Code:

export cl         


        

Answer 1

You can't use delete to remove an item from an array. This is only used to remove a property from an object.

You should use splice to remove an element from an array:

deleteMsg(msg:string) {
    const index: number = this.data.indexOf(msg);
    if (index !== -1) {
        this.data.splice(index, 1);
    }        
}

Answer 2

//declaration 
list: Array<any> = new Array<any>(); 

//remove item from an array 
removeitem() 
{
const index = this.list.findIndex(user => user._id === 2); 
this.list.splice(index, 1); 
}

Answer 3

That work for me

 this.array.pop(index);

 for example index = 3 

 this.array.pop(3);

Answer 4

<tbody *ngFor="let emp of $emps;let i=index">

<button (click)="deleteEmployee(i)">Delete</button></td>

and

deleteEmployee(i)
{
  this.$emps.splice(i,1);
}

Answer 5

You can use like this:

removeDepartment(name: string): void {
    this.departments = this.departments.filter(item => item != name);
  }