Trouble with a null - front end

[bpj]

The key for wrapping code is the ‘backtick’ - if you search online for the location on your keyboard you’ll probably have it. To do a block of code use 3 backticks either side

See here (you could copy and paste from this post too):

How to format code in your posts

Code Formatting When pasting code in your posts, please use the following formatting options, in order to be sure your code is readable and well formatted for the rest of the users. Inline code formatting Surround a section of code with backticks (`) inline code formatting. Typing: `var x = 10;` Results in: var x = 10; This can also be done as var x = 10; inline. Multi-Line Blocks of Code Surrounding code with three backticks ``` will allow for code to span multiple lines Typing: ``` f…