JAVASCRIPT

Half or Right Triangle star pattern in JavaScript

// Half or Right Triangle star pattern in JavaScript
let numberValue = 5;
let stringValue = '';
for(let i=1; i<=numberValue; i++){
  for(let j=1; j<= numberValue - i; j++){
    stringValue += ' ';
  }
  for(let k=1; k<=i; k++){
    stringValue += '*';
  }
  stringValue += '
';
}
console.log(stringValue);

Half or Left Triangle Pattern in JavaScript

// Half or Left Triangle Pattern in JavaScript
let numberleft = 5;
let stringleft = '';
for(let i=1; i<=numberleft; i++){
  for(let j=1; j<=i; j++){
    stringleft += '*';
  }
  for(let k=1; k<= numberleft -i; k++){
    stringleft += ' ';
  }
  stringleft += '
';
}
console.log(stringleft);