js_bootcamp/functies.js

'use strict'
// rectangles

function makeLine(size){
  let str = "";
  let counter = 0;
  for (; counter < size; counter++){
    str += "#";
  }
  return str.trim()
}

console.log(makeLine(5));

function makeSquare(size){
  let counter = 0;
  let str = "";
  for (;counter < size; counter++){
    str += makeLine(size) + '\n';
  }
  return str.trim()
}

console.log(makeSquare(3));

function makeRectangle(width, height) {
  if (height === undefined){ // of met default parameter (height = width) of logical or || --> height = height || width (als height nieg geven wordt dan wordt width gebruikt)
    height = width;
  }
  let counter = 0;
  let rec = "";
  for(; counter < height; counter++){
    rec += makeLine(width) + '\n';
  }
    return rec.trim()
}
console.log(makeRectangle(5,3));

// triangles

function stairCase(n) {
  let stairCase = '';
  for(let i = 1; i <= n; i++) {
      stairCase += makeLine(i) + '\n';
  }
  return stairCase.trim();
}
console.log(stairCase(3)); 


function makeSpaceLine(numSpaces, numChars){
  let str = " ";
  for(let i = 0; i <= numSpaces; i++){
    str += " ";
  }
  return str + makeLine(numChars) + str;

}
console.log(makeSpaceLine(3,5));

function makeIsoclesTriangle(height){
  let str = "";
  for(let i = 0; i < height; i++){
    str += makeSpaceLine(height - i - 1, 2 * i + 1) + '\n';
  }
  return str.trimEnd();
}

console.log(makeIsoclesTriangle(10));


function reverse(str){
  return str.split('').reverse().join('');
}


function makeDiamond(height){
  return makeIsoclesTriangle(height) + '\n' +reverse(makeIsoclesTriangle(height));
}

console.log(makeDiamond(5));
console.log(reverse(makeIsoclesTriangle(5)));