Chaining Methods

    /************************************************* 
    Chaining objects and methods together
    How it works and why you want to do it
    *************************************************/ 
    let myObj = function(nm){
        this.name = nm;
        // when used with ‘new’ it will return an instance
    }
    
    myObj.prototype.getName = function ( ) { 
        console.log(this.name);
    }
    
    myObj.prototype.capitalize = function ( ) {
        this.name = this.name.substring(0, 1).toUpperCase( ) + this.name.substring(1);
        return.this;
    }
    
    myObj.prototype.upper = function ( ) { 
        this.name = this.name.toUpperCase( ); 
        return this;
    }
    
    myObj.prototype.getName = function ( ) { 
        console.log(this.name);
    }
    
    let bob = new myObj('bob'); 
    let cole = new myObj('cole');
    
    bob.capitalize( ).upper( ).getName( );

    // this is similar to chaining Array methods - e.g.:
    let arr = ['Cole', 'Cara', 'Bree', 'Riley', 'Alex', 'Devon'];
    arr.sort().forEach( item =>{
        console.log(item);
    })