LeetCode Records - Question 2726 Calculator with Method Chaining Attempt 1: Save the value in the calculator class Calculator { /** * @param {number} value */ constructor(value) { this.value = value; } /** * @param {number} value * @return {Calculator} */ add(value){ this.value += value; return this; } /** * @param {number} value * @return {Calculator} */ subtract(value){ this.value -= value; return this; } /** * @param {number} value * @return {Calculator} */ multiply(value) { this.value *= value; return this; } /** * @param {number} value * @return {Calculator} */ divide(value) { if (value === 0) { throw new Error("Division by zero is not allowed"); } this.value /= value; return this; } /** * @param {number} value * @return {Calculator} */ power(value) { this.value = Math.pow(this.value, value); return this; } /** * @return {number} */ getResult() { return this.value; } } Runtime: 42 ms (Beats: 93.62%) Memory: 48.59 MB (Beats: 75.53%)