Can you use Jinja in JavaScript?

Can you use Jinja in JavaScript?

To pass some context data to javascript code, you have to serialize it in a way it will be “understood” by javascript (namely JSON). You also need to mark it as safe using the safe Jinja filter, to prevent your data from being htmlescaped.

What are Jinja filters?

Jinja2 filter is something we use to transform data held in variables. We apply filters by placing pipe symbol | after the variable followed by name of the filter. Filters can change the look and format of the source data, or even generate new data derived from the input values.

How do you declare a function in jinja2?

Use jinja2. Template. globals to call a function in a jinja2 template. Create a format string that applies a function by calling “{{ func(input) }}” apply the function func to input .

What is Jinjava?

Java-based template engine based on django template syntax, adapted to render jinja templates (at least the subset of jinja in use in HubSpot content). Currently used in production to render thousands of websites with hundreds of millions of page views per month on the HubSpot CMS.

Who uses Jinja?

Who uses Jinja? 41 companies reportedly use Jinja in their tech stacks, including vault.uber.com, Kaidee, and GRVTY.

Is Jinja secure?

Jinja2 is fast, secure and designer friendly templating language for Python and Django.

How to apply a filter to a variable in Jinja?

To apply a filter to your variable or a data structure, you need to use the pipe symbol | and then a filter of your choice. You can read the pipe symbol as “such that”. For instance, the filter upper takes as input a string and returns it with all of its letters in upper case.

How to use Jinja and flask for JavaScript?

1 Make sure to use the right Flask JSON module. The flask library has two libraries for making J S ON objects. 2 Put JavaScript in your Jinja Template. Get the template ready for the JavaScript code by adding a special JavaScript block content and adding script tags. 3 Admire your work

How to create a window object in Jinja?

Create a javascript section in your jinja template file and place all variables you want to use in your javascript files in a window object:

Can you set a Jinja2 variable in JavaScript?

JavaScript is your frontend scripting language, running on the client’s browser once the HTML has been generated and served. The reason you can’t use Javascript to “set a Jinja2 variable” is because there are no Jinja2 variables in the rendered HTML sent to the client.