Stopwatch

Create a stopwatch

BeginnerTopic: Mini Projects
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JavaScript Stopwatch Program

This program helps you to learn the fundamental structure and syntax of JavaScript programming.

Try This Code
class Stopwatch {
    constructor() { this.startTime = null; this.elapsed = 0; }
    start() { this.startTime = Date.now() - this.elapsed; }
    stop() { if(this.startTime) this.elapsed = Date.now() - this.startTime; }
    reset() { this.elapsed = 0; this.startTime = null; }
    getTime() { return this.elapsed; }
}
Output
// Stopwatch functionality

Understanding Stopwatch

Stopwatch measures elapsed time.

Note: To write and run JavaScript programs, you need to set up the local environment on your computer. Refer to the complete article Setting up JavaScript Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your JavaScript programs.

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