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Preview v5: Add explanation that individual initialisation will throw errors #352

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Oct 3, 2023
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Preview v5: Add explanation that individual initialisation will throw errors #352

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12 changes: 12 additions & 0 deletions source/importing-css-assets-and-javascript/index.html.md.erb
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Expand Up @@ -162,6 +162,16 @@ Then import the JavaScript file before the closing `</body>` tag of your HTML pa
</body>
```

Errors from components will be logged in the browser's console.

For example, when:

* GOV.UK Frontend is not supported in the current browser
* Component templates have missing changes from our release notes
* Component JavaScript configuration does not match our documentation

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You should check your application works without errors or some components will not work correctly.
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#### Select and initialise an individual component

You can select and initialise a specific component by using its `data-module` attribute. For example, use `govuk-radios` to initialise the first radio component on a page:
Expand All @@ -176,6 +186,8 @@ You can select and initialise a specific component by using its `data-module` at
</script>
```

When initialised individually, errors are thrown rather than logged. You must check your application works without errors or some components will not work correctly.

### Import JavaScript using a bundler

If you decide to import using a bundler, we recommend you use `import` to only import the JavaScript for components you're using in your service. For example:
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