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A simple utility to execute a callback when a webfont loads.
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Markdown
layout: default
title: QUnit.begin
description: Register a callback to fire whenever the test suite begins.
categories:
- callbacks
## `QUnit.begin( callback )`
Register a callback to fire whenever the test suite begins.
`QUnit.begin()` is called once before running any tests.
| parameter | description |
|-----------|-------------|
| callback (function) | Callback to execute. Provides a single argument with the callback details object |
#### Callback details: `callback( details: { totalTests } )`
| parameter | description |
|-----------|-------------|
| `totalTests` | The number of total tests in the test suite |
### Example
Get total amount of tests.
```js
QUnit.begin(function( details ) {
console.log( "Test amount:", details.totalTests );
});
```
Using modern syntax:
```js
QUnit.begin( ( { totalTests } ) => {
console.log( `Test amount: ${totalTests}` );
});
```