//{{ value_expression | number [ : digitsInfo [ : locale ] ] }}

//Assume someNumber = 12.221
    
    
{{ someNumber | number : '1.0-0'}}

//The output here is '12' because we cut the decimals off
//with the number pipe

//More examples from Angular:

    //Assume:
    //pi: number = 3.14;
      //e: number = 2.718281828459045;

    
    
e (no formatting): {{e | number}}

    
    
e (3.1-5): {{e | number:'3.1-5'}}

    
    
e (4.5-5): {{e | number:'4.5-5'}}

    
    
e (french): {{e | number:'4.5-5':'fr'}}

    
    
pi (no formatting): {{pi | number}}

    
    
pi (3.1-5): {{pi | number:'3.1-5'}}

    
    
pi (3.5-5): {{pi | number:'3.5-5'}}

    
    
-2.5 (1.0-0): {{-2.5 | number:'1.0-0'}}

//More information here: https://angular.io/api/common/DecimalPipe