beginner

Grid System Basics example 3

A focused Bootstrap example for grid system basics with output and explanation.

Grid System Basics example 3
lesson.js
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javascript5 linesWrap
Input

Terminal

Success

Ready.

Run code to see output here.

What this example teaches

Grid System Basics

Output

Bootstrap grid aligns and scales dashboard card layout gracefully on different devices.

Line-by-line explanation

  • Line 1 sets up the Grid System Basics example: <div className="container">.
  • Line 2 adds one required part of the working pattern: <div className="row g-3">.
  • Line 3 adds one required part of the working pattern: <div className="col-12 col-md-4"><div className="card p-3 shadow-sm border-0">Card 1</div></div>.
  • Line 4 adds one required part of the working pattern: </div>.
  • Line 5 adds one required part of the working pattern: </div>.

Why this example is useful

This example is useful because it isolates grid system basics without surrounding noise, so you can see the idea clearly.

Where it is used in real projects

Grid System Basics appears in real Bootstrap work when a feature needs a clear pattern that can be reviewed and changed safely.

Beginner variation

Change one label, value or condition in the Grid System Basics example and run it again.

Advanced variation

Combine Grid System Basics with validation, error handling or reusable structure.