Title: Shortcode doesn’t work
Last modified: July 14, 2021

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# Shortcode doesn’t work

 *  Resolved [Giorgio25b](https://wordpress.org/support/users/giorgio25b/)
 * (@giorgio25b)
 * [4 years, 10 months ago](https://wordpress.org/support/topic/shortcode-doesnt-work-81/)
 * There is no rendering of the shortcode and this error is displayed in console:
 *     ```
       Source map error: Error: JSON.parse: unexpected character at line 7 column 1 of the JSON data
       Resource URL: https://booking.roomcloud.net/be/js/ekko-lightbox.min.js
       Source Map URL: ekko-lightbox.js.map
       ```
   
 * Is there a fix? It seems that the plugin hasn’t been updated for a while now.
 * Thank you
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fshortcode-doesnt-work-81%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [Giorgio25b](https://wordpress.org/support/users/giorgio25b/)
 * (@giorgio25b)
 * [4 years, 10 months ago](https://wordpress.org/support/topic/shortcode-doesnt-work-81/#post-14677285)
 * There is a **+** sign in front of the
    `+function ($) {` at [ekko-lightbox.min.js](https://booking.roomcloud.net/be/js/ekko-lightbox.min.js)
 * Is it going to be fixed? Is the plugin maintained at all?
    Please advise, thank
   you.
 *  Thread Starter [Giorgio25b](https://wordpress.org/support/users/giorgio25b/)
 * (@giorgio25b)
 * [4 years, 8 months ago](https://wordpress.org/support/topic/shortcode-doesnt-work-81/#post-14885829)
 * Shortcode does work! I missed the part where it needs the space between the words
   roomlcoud and hotel:
 * `[roomcloud hotel=’###’]`
 * In regards of the +function(){}; my bad! I missed the part where:
 * > `It forces the parser to treat the part following the + as an expression. This
   > is usually used for functions that are invoked immediately, e.g.:
   > +function() { console.log(“Foo!”); }();
   > Without the + there, if the parser is in a state where it’s expecting a statement(
   > which can be an expression or several non-expression statements), the word 
   > function looks like the beginning of a function declaration rather than a function
   > expression and so the () following it (the ones at the end of the line above)
   > would be a syntax error (as would the absense of a name, in that example). 
   > With the +, it makes it a function expression, which means the name is optional
   > and which results in a reference to the function, which can be invoked, so 
   > the parentheses are valid.
   > + is just one of the options. It can also be -, !, ~, or just about any other
   > unary operator. Alternately, you can use parentheses (this is more common, 
   > but neither more nor less correct syntactically):
   > (function() { console.log(“Foo!”); })();
   >  // or (function() { console.log(“
   > Foo!”); }());`

Viewing 2 replies - 1 through 2 (of 2 total)

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## Tags

 * [json parse error](https://wordpress.org/support/topic-tag/json-parse-error/)
 * [shortcode](https://wordpress.org/support/topic-tag/shortcode/)

 * 2 replies
 * 1 participant
 * Last reply from: [Giorgio25b](https://wordpress.org/support/users/giorgio25b/)
 * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/shortcode-doesnt-work-81/#post-14885829)
 * Status: resolved