JAVASCRIPT

angular pipe first letter uppercase

{{ value_expression | titlecase }}

angular pipe to capitalize first letter

transform(value:string): string {
  let first = value.substr(0,1).toUpperCase();
  return first + value.substr(1); 
}
  

angular capitalize pipe

import { Pipe, PipeTransform } from '@angular/core';

@Pipe({
  name: 'capitalize'
})
export class CapitalizePipe implements PipeTransform {
  transform(value: string, ...args: string[]): string {
    return value.toLowerCase().charAt(0).toUpperCase() + value.toLowerCase().slice(1);
  }
}