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Delve into using Transcrypt to seamlessly translate Python code to JavaScript for coherent web projects, unifying Python's back-end strengths with JavaScript's front-end flexibility.

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Python is already used in the back-end of most web-based applications. However, it does not work with the front-end of web browsers in those applications. This is where Transcrypt comes in. Transcrypt can help create more coherent web-based projects where Python is used to write the back-end and front-end. This course is primarily about using a transpiler called Transcrypt. It translates our Python code to JavaScript and then executes that JavaScript, letting us enjoy the neatness of Python with the front-end flexibility of JavaScript.

Using the Python Transcrypt Transpiler for Front-end Coding

**(True or False)** Transcrypt converts JavaScript libraries to Python.

(True or False) Transcrypt converts JavaScript libraries to Python.

**(True or False)** JavaScript syntax must be used when calling JavaScript functions in Python with Transcrypt.

(True or False) JavaScript syntax must be used when calling JavaScript functions in Python with Transcrypt.

**(True or False)** In order for Transcrypt to transpile Python into JavaScript, the source code file must use only valid Python syntax.

(True or False) In order for Transcrypt to transpile Python into JavaScript, the source code file must use only valid Python syntax.

It’s not valid Python and throws a compile error.

It substitutes the literal occurrence of `jq` for `$` and turns it into `$("#my_btn").click(add_item)`.

It uses the code as-is and leaves it as  `jq("#my_btn").click(add_item)`.

It ignores literal occurrences of `jq` and `$` and turns it into `("#my_btn").click(add_item)`.

What does Transcrypt do with the following block of Python code?
```py
# __pragma__ ('alias', 'jq', '$')
jq("#my_btn").click(add_item)
```


What does Transcrypt do with the following block of Python code?
<pre><code class="language-py"># __pragma__ ('alias', 'jq', '$')
jq(&quot;#my_btn&quot;).click(add_item)
</code></pre>

Quiz: External JavaScript Libraries

Quiz: External JavaScript Libraries

Let’s test ourselves on using external JavaScript libraries with the quiz below.

Introduction

The Setup

Write a “Hello, World” Application

JavaScript Functions

Sourcemaps

External JavaScript Libraries

Intro to React

React Concepts

Cleaner Code

Managing JavaScript Packages

Package Bundler

Text Input

Lists

Forms

React Components

JavaScript Examples

CSS

Material-UI

Parcel Web Proxy

Asynchronous Requests

React Context Hook

Transcrypt Miscellany

Application Versioning

Google Analytics

Developer Tools

Appendix

Quiz on External JavaScript Libraries