I'm using html node to apply a CSS selector and sometimes this selector returns nothing, so html node doesn't return anything. Is there a good way to continue the flow anyway and put something like "false" in the payload? Preferrably without using timeouts. Thanks.

[image] dceejay: a simple test would seem to show that if you ask for an array of results, and there is no match then indeed you should get an empty array. Doh! I went back and checked my test flow again, and the selection of array mode had not 'taken'. I guess I must have moved the mouse as…

kuzmich 21 January 2019 00:20 8

Thanks everyone, using an array does indeed solve the problem.

Topic		Replies	Views
HTML Node - Problem with CSS selector General	3	2471	23 September 2020
Question about html node Developing Nodes	21	359	5 March 2024
HTML is NOT parsing DIV tags consistently General	5	1081	17 July 2020
HTML parse node issue General	7	822	18 January 2022
Web Scraping with Empty results General http-request	4	506	27 January 2022

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Continue flow after empty response from HTML node

Related topics