<commit_before># polyfill

[![Build
Status](https://travis-ci.org/Financial-Times/polyfill-service.svg)](https://travis-ci.org/Financial-Times/polyfill-service)

**polyfill** makes web development less frustrating by selectively polyfilling just what the browser needs. Use it on your own site, or as a service.

```html
<script src="//polyfill.io"></script>
```

That&rsquo;s it. The script file *is* the [domain](https://polyfill.io). No need to specify the **http** or **https**, because the service runs over both. Just place it in the head of your document.

## What can I do with this?

You can code right the first time. For example, use **querySelector** in IE6.

```js
var el = document.querySelector(".foo.bar");
```

Or **matches** without a vendor prefix.<commit_msg>Use master branch for travis button<commit_after># polyfill

[![Build
Status](https://travis-ci.org/Financial-Times/polyfill-service.svg?branch=master)](https://travis-ci.org/Financial-Times/polyfill-service)

**polyfill** makes web development less frustrating by selectively polyfilling just what the browser needs. Use it on your own site, or as a service.

```html
<script src="//polyfill.io"></script>
```

That&rsquo;s it. The script file *is* the [domain](https://polyfill.io). No need to specify the **http** or **https**, because the service runs over both. Just place it in the head of your document.

## What can I do with this?

You can code right the first time. For example, use **querySelector** in IE6.

```js
var el = document.querySelector(".foo.bar");
```

Or **matches** without a vendor prefix.
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