Delay vs millis vs EVERY_N_MILLIS

/* Using millis or EVERY_N_MILLIS instead of delay statement in double for loops.
 *
 *  By: Andrew Tuline
 *
 *  Date: Jan, 2020
 *
 *  If I can ditch a delay statement, I sure will.
 *
 */


#include <FastLED.h>

void setup(){
  Serial.begin(115200);
}


void loop(){

//  colorWipe(100);                         // Modified original with delays
//  testaWipe(100);                         // Using EVERY_N_MILLIS inside function
//  EVERY_N_MILLIS(100) { testWipe(); }     // Using EVERY_N_MILLIS outside function
  milliWipe(100);
}


void milliWipe(uint8_t times) {             // This one doesn't delay at all, but repeats the same thing until the counter increases. No harm, no foul.
  static long counte = 0;
  counte = millis() / times;
  counte = counte % 56;
  uint8_t k = counte % 7;
  uint8_t j = counte / 8;
  Serial.print(counte); Serial.print(" "); Serial.print(j); Serial.print(" "); Serial.println(k);
}


void testWipe() {
  static uint8_t counte = 0;
  counte +=1;
  counte = counte % 56;
  uint8_t k = counte % 7;
  uint8_t j = counte / 8;
  Serial.print(counte); Serial.print(" "); Serial.print(j); Serial.print(" "); Serial.println(k);
} // testWipe()



void testaWipe(uint8_t times) {
  EVERY_N_MILLIS(times) {
    static uint8_t counte = 0;
    counte +=1;
    counte = counte % 56;
    uint8_t k = counte % 7;
    uint8_t j = counte / 8;
    Serial.print(counte); Serial.print(" "); Serial.print(j); Serial.print(" "); Serial.println(k);
  }
} // testaWipe()



void colorWipe(uint8_t wait) {
  for(uint16_t j=0; j<8; j++) {
    for(uint16_t k=0; k<7; k++) {
      Serial.print(j*7+k); Serial.print(" "); Serial.print(j); Serial.print(" "); Serial.println(k);
      FastLED.delay(wait);
    }
  }
} // colorWipe()


/*
void cd77_8X8_spiral_colorWipe(uint8_t ghue, uint8_t wait) {
  for(uint16_t j=0; j<bigboxarray_Size; j++) {
    uint16_t x=boxtotalarray[j];
    for(uint16_t k=0; k<x; k++) {
      leds[bigboxarray[j][k]]= CHSV(ghue, 255,255);
      FastLED.delay(wait);
    }
  }
}
 */