src/Utl.js
function omit(a, elt) {
  var index = a.indexOf(elt);
  if (index !== -1) {
    a.splice(index, 1);
  }
  return a;
}
function omit(a, elt) {
  var index = a.indexOf(elt);
  if (index !== -1) {
    a.splice(index, 1);
  }
  return a;
}
function omit ( a , elt ) { var index = a . indexOf ( elt ) ; if ( index !== - 1 ) { a . splice ( index , 1 ) ; } return a ; }
Omit elements from array destructively.
Omit elements from array destructively .