Promise Chaining Visualizer
Visualize promise chains and async flow. See how promises are chained and executed step by step.
Code Example
Promise.resolve(1)
.then(x => x + 1)
.then(x => x * 2)
.then(x => x + 1)
.catch(err => console.error(err))
.finally(() => console.log('Done'));Promise Chain Visualization
Console Output
About Promise Chaining
Promises can be chained together to handle asynchronous operations sequentially.
Each .then() returns a new promise, allowing you to chain multiple operations.
- .then(): Executes when promise resolves
- .catch(): Handles errors in the chain
- .finally(): Executes regardless of success or failure
This visualization shows the step-by-step execution of a promise chain.