You can simple make changes in code & run the project by clicking on play button on left side of interface . As you hover on play button it gives you option on how you want to build flutter project, for now simply select web & run.
How do you run in FlutLab io?
You can simple make changes in code & run the project by clicking on play button on left side of interface . As you hover on play button it gives you option on how you want to build flutter project, for now simply select web & run.