Question: how to export data in csv file in laravel?
Answer: Step 1: Add Route. Route::get('/tasks', 'TaskController@exportCsv');
Step 2: In Blade File. Add export button link in your blade file from where you want to export your tasks. ... 
Step 3: In Js file. In this step add a export function in you js file to exporting data. ... 
Step 4: In your Controller.