Contents

class Triangle {
  constructor(rows) {
    this.rows = this.fillRows(rows);
    this.lastRow = this.rows[this.rows.length - 1];
  }

  sumElements(element, index, array) {
    this.push(element + (array[index + 1] || 0));
  }

  fillRows(rows) {
    const result = [[1]];
    for (let x = 1; x < rows; x++) {
      const newRow = [1];
      result[x - 1].forEach(this.sumElements, newRow);
      result.push(newRow);
    }
    return result;
  }
}

export default Triangle;

Version data entries

185 entries across 185 versions & 1 rubygems

Version	Path
trackler-2.2.1.98	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.97	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.96	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.95	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.94	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.93	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.92	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.91	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.90	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.89	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.88	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.87	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.86	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.85	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.84	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.83	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.82	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.81	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.80	tracks/ecmascript/exercises/pascals-triangle/example.js
trackler-2.2.1.79	tracks/ecmascript/exercises/pascals-triangle/example.js