I am trying to pass data as JSON from a Flask route to a Jinja template rendering JavaScript.  I want to iterate over the data using JavaScript.  The browser shows SyntaxError: Unexpected token '&'. Expected a property name. when JSON.p...

I need to send data through XmlHttpRequest from JavaScript to Python server. Because I'm using localhost, I need to use CORS. I'm using the Flask framework and its module flask_cors.  As JavaScript I have this:      var xmlhttp;     if (win...

I looked at similar forums but was not able to get any of the solutions to work. I am trying to pass variables from Flask to my JavaScript file. These values then will be used for PubNub from my JavaScript file.   Here is part of my Python code:   @a...

I am kind of new to Python, but I have had the same issue working with Node apps. I am making a pretty standard jQuery AJAX request to my local Python sever:  init: function(callback) {             var token = _config.get_token();              $.ajax...

Does anyone know how to serve an Angular single page application using Flask?  I'm having trouble serving the default route, '/', which should load index.html and the associated components. Here's my Flask function:  @app.route('/...

I need the config variables in javascript in my flask application. Currently, I access the config variables via:  @app.route('/api/getconfigs/') def get_config_variable():     return config['VARIABLENAME']   Is this the only way to ge...

I have some very basic code that acts as a loading gif for a webpage:  The loading and content containers sit in my base template. The     //header  <a href="{{ url_for('welcome', id=id, profile=profile) }}" onclick="spinner();...

I working on a web project using Python and Flask. I was just wondering if I can access parameters sent by python in my external javascript files? It's working well with html files or with js embedded in html files but not when javascript is exte...

I have a site that makes an AJAX post to a Flask route.   I know there are many similar questions (please don't mark as duplicate) that use the AJAX success method to handle the response. That would work in my simplified example, but the route in...

I have a react client that takes in user input as a file and sends it to my remote Flask server for storage. I send the file in the form of a Werkzeug FileStorage object and in the remote server I store it with file.save(path). In the react client I&...