# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1304

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 1305

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## [Global/Flow Variable Access in Custom Node?](https://discourse.nodered.org/t/global-flow-variable-access-in-custom-node/9029)

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**Author:** [@tcontrada](https://discourse.nodered.org/u/tcontrada)\
**Replies:** 4\
**Last updated:** [15 March 2019 18:24 UTC](https://discourse.nodered.org/t/global-flow-variable-access-in-custom-node/9029 "2019-03-15T18:24:02Z")

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I was using globalContext.get("myVariable") in my custom node in order to read my application global variable, but that syntax is not working. What is the correct syntax to access my Global variable within my node.js fi…

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## [External JavaScripted site in certain group of Dashboard](https://discourse.nodered.org/t/external-javascripted-site-in-certain-group-of-dashboard/9001)

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**Author:** [@igrowing](https://discourse.nodered.org/u/igrowing)\
**Replies:** 4\
**Last updated:** [15 March 2019 18:12 UTC](https://discourse.nodered.org/t/external-javascripted-site-in-certain-group-of-dashboard/9001 "2019-03-15T18:12:37Z")

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Hi guys, Again the question about representation of external web-site in Node-RED Dashboard. Different flavour. https://www.google.com/maps/dir/Perth,+UK/Glasgow,+UK/?hl=en Normally, this link shows 2-3 proposed route…

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## [Read msg.topic?](https://discourse.nodered.org/t/read-msg-topic/8934)

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**Author:** [@malcomxcia](https://discourse.nodered.org/u/malcomxcia)\
**Replies:** 4\
**Last updated:** [15 March 2019 17:38 UTC](https://discourse.nodered.org/t/read-msg-topic/8934 "2019-03-15T17:38:09Z")

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Hello ! ! ! I will read the Tobic of an Message. This is in my Function Node var topic = msg.topic; return topic; Alway comes in Debug Node Function tried to send a message of type string Where ist the Problem ? Gr…

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## [Strange behaviour of assign of context var with init bool value](https://discourse.nodered.org/t/strange-behaviour-of-assign-of-context-var-with-init-bool-value/9026)

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**Author:** [@Frank2](https://discourse.nodered.org/u/Frank2)\
**Replies:** 3\
**Last updated:** [15 March 2019 17:04 UTC](https://discourse.nodered.org/t/strange-behaviour-of-assign-of-context-var-with-init-bool-value/9026 "2019-03-15T17:04:04Z")

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Does anyone see what i am doing wrong? After defining the variables with a context get it goes wel for all except for the bool one. SetTempCFirst is not set in the program and stays alwas true. If i put in the extra line…

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## [Waiting for Missing Types to be Registered?](https://discourse.nodered.org/t/waiting-for-missing-types-to-be-registered/9028)

<div class="topic-metadata">

**Author:** [@tcontrada](https://discourse.nodered.org/u/tcontrada)\
**Replies:** 2\
**Last updated:** [15 March 2019 16:50 UTC](https://discourse.nodered.org/t/waiting-for-missing-types-to-be-registered/9028 "2019-03-15T16:50:59Z")

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I have created a new custom node as previous, and followed the same basic procedure to install the custom node. But when I restart Node Red, I get the following message" 15 Mar 12:35:34 - \[info\] Waiting for missing type…

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## [🎉 Node-RED 0.20.1 released](https://discourse.nodered.org/t/node-red-0-20-1-released/9020)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 0\
**Last updated:** [15 March 2019 11:39 UTC](https://discourse.nodered.org/t/node-red-0-20-1-released/9020 "2019-03-15T11:39:34Z")

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We've just published the 0.20.1 maintenance release: A couple important subflow fixes for issues that didn't get flushed out by the previous beta releases. Ensure all subflow instances are stopped when flow stopping F…

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## [Access to context Stores in JSONata expressions](https://discourse.nodered.org/t/access-to-context-stores-in-jsonata-expressions/8738)

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**Author:** [@IanH](https://discourse.nodered.org/u/IanH)\
**Replies:** 9\
**Last updated:** [15 March 2019 14:43 UTC](https://discourse.nodered.org/t/access-to-context-stores-in-jsonata-expressions/8738 "2019-03-15T14:43:16Z")

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I have found that $globalContext() function in JSONata functions only access stores in memory and does not access stores on disk. I assume $flowContext() will have some issue. Inserting a Change node where I set a copy…

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## [Intteligent IVR](https://discourse.nodered.org/t/intteligent-ivr/9016)

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**Author:** [@david](https://discourse.nodered.org/u/david)\
**Replies:** 2\
**Last updated:** [15 March 2019 13:45 UTC](https://discourse.nodered.org/t/intteligent-ivr/9016 "2019-03-15T13:45:38Z")

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Hi i am looking to create an intelligent IVR. I succeeded to attach a twilio numbert with an IBM assistant, BUT now i want to transfer the call from the assistant to a real number... I try to use the "Dial" node in orde…

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## [Can I access number of outputs within function node?](https://discourse.nodered.org/t/can-i-access-number-of-outputs-within-function-node/6729)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 22\
**Last updated:** [15 March 2019 10:33 UTC](https://discourse.nodered.org/t/can-i-access-number-of-outputs-within-function-node/6729 "2019-03-15T10:33:57Z")

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My function node has 6 outputs. Is there a way to access this number from within the function node? i.e. so I don't have to explicitly specify the number in my first line: var outputcount = 6; // Clear all backgrounds…

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## [How to get the 'failed' or 'success' status of an email send node?](https://discourse.nodered.org/t/how-to-get-the-failed-or-success-status-of-an-email-send-node/8916)

<div class="topic-metadata">

**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 37\
**Last updated:** [15 March 2019 10:33 UTC](https://discourse.nodered.org/t/how-to-get-the-failed-or-success-status-of-an-email-send-node/8916 "2019-03-15T10:33:37Z")

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Hello when using the Send eMail node, we can see under the node some dynamic information wich indicates if the mail has been sent, or not. How can we get this information inside node-Red to know if the mail has been co…

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## [RED.nodes.getFlows() API](https://discourse.nodered.org/t/red-nodes-getflows-api/9013)

<div class="topic-metadata">

**Author:** [@fangzhu](https://discourse.nodered.org/u/fangzhu)\
**Replies:** 2\
**Last updated:** [15 March 2019 10:21 UTC](https://discourse.nodered.org/t/red-nodes-getflows-api/9013 "2019-03-15T10:21:45Z")

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I tried to create a node using RED.nodes.getFlows() API, but it gives me error of "TypeError: RED.nodes.getFlows is not a function". I don't know why. I could use the same way to call RED.nodes.getNode() though. Is there…

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## [How does node-red introduce jquery cookies in HTML files when I need to save my radio records](https://discourse.nodered.org/t/how-does-node-red-introduce-jquery-cookies-in-html-files-when-i-need-to-save-my-radio-records/9012)

<div class="topic-metadata">

**Author:** [@JiChen](https://discourse.nodered.org/u/JiChen)\
**Replies:** 2\
**Last updated:** [15 March 2019 08:59 UTC](https://discourse.nodered.org/t/how-does-node-red-introduce-jquery-cookies-in-html-files-when-i-need-to-save-my-radio-records/9012 "2019-03-15T08:59:49Z")

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How does node-red introduce jquery cookies in HTML files when I need to save my radio records。 The value of my radio box is dynamically generated via the server.After I selected one, when I refreshed the page, I did not…

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## [Link nodes. Suggestion. (For new version of NR)](https://discourse.nodered.org/t/link-nodes-suggestion-for-new-version-of-nr/8954)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [15 March 2019 08:07 UTC](https://discourse.nodered.org/t/link-nodes-suggestion-for-new-version-of-nr/8954 "2019-03-15T08:07:25Z")

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I have recently watched the youtube clip about the new NR. Nick went on to talk about the link node and how it can now be connected. Just some thoughts on that: yes it is good you can "draw" the connections as per no…

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## [Message property set syntax](https://discourse.nodered.org/t/message-property-set-syntax/8997)

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**Author:** [@darabontors](https://discourse.nodered.org/u/darabontors)\
**Replies:** 2\
**Last updated:** [15 March 2019 03:48 UTC](https://discourse.nodered.org/t/message-property-set-syntax/8997 "2019-03-15T03:48:13Z")

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Hi everyone, I am pretty new to Node Red and JavaScript in general. I have a question about setting a property of a message. I have the following code snippet: var uisource = flow.get("source"); output.push(\[datetime,…

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## [Delete all string values](https://discourse.nodered.org/t/delete-all-string-values/9005)

<div class="topic-metadata">

**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\
**Replies:** 3\
**Last updated:** [14 March 2019 21:52 UTC](https://discourse.nodered.org/t/delete-all-string-values/9005 "2019-03-14T21:52:10Z")

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Hi. Is there som easy way to just let number pass? Just want numbers in the debug window?

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## [Json expression](https://discourse.nodered.org/t/json-expression/8896)

<div class="topic-metadata">

**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\
**Replies:** 11\
**Last updated:** [14 March 2019 20:43 UTC](https://discourse.nodered.org/t/json-expression/8896 "2019-03-14T20:43:36Z")

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Hi. Is it possible to get rid of one of the function nodes. I want to combine the two messages sia\_code and sia\_address in the same function node. I want the output message to be 13ZO /Niclas

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## [General capacity of a RPi3](https://discourse.nodered.org/t/general-capacity-of-a-rpi3/8965)

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**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 6\
**Last updated:** [14 March 2019 20:29 UTC](https://discourse.nodered.org/t/general-capacity-of-a-rpi3/8965 "2019-03-14T20:29:15Z")

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What is people’s general experience with running lots of background services on a RPi3? And when and why did you decide to distribute them across several Pis? I am currently running a 6 flow Node-RED with about 10 3rd …

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## [Nodered/mqtt interface to broadlink environment sensor A1](https://discourse.nodered.org/t/nodered-mqtt-interface-to-broadlink-environment-sensor-a1/8959)

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**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 3\
**Last updated:** [14 March 2019 19:30 UTC](https://discourse.nodered.org/t/nodered-mqtt-interface-to-broadlink-environment-sensor-a1/8959 "2019-03-14T19:30:57Z")

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Hi, Like many, I have been tinkering with iot environmental monitoring using esp8266 with various sensors to monitor environment (temp, humidity, light, etc) for a while. The result has always been a less than professio…

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## [Flows stopped due to missing node types - blocking Node-RED](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-blocking-node-red/8992)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 7\
**Last updated:** [14 March 2019 18:57 UTC](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-blocking-node-red/8992 "2019-03-14T18:57:17Z")

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I have seen this title before, but somehow recently I am having more trouble with these errors. Copied a flow from somewhere \> import, it looks like it imported it, but no new tab and no flow, deploy: Flows stopped due…

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## [Delay in Function](https://discourse.nodered.org/t/delay-in-function/8950)

<div class="topic-metadata">

**Author:** [@Derluchs](https://discourse.nodered.org/u/Derluchs)\
**Replies:** 5\
**Last updated:** [14 March 2019 17:37 UTC](https://discourse.nodered.org/t/delay-in-function/8950 "2019-03-14T17:37:17Z")

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Hello everybody i know this Theme About Adding a delay in a function but im new and i Need some help. In my Function "Katze kommt/geht " i Need a delay of 5Sec after the return of the msg1 and msg2. So only the first Se…

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## [Gzip , Azure cloud](https://discourse.nodered.org/t/gzip-azure-cloud/8988)

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**Author:** [@Azamj966](https://discourse.nodered.org/u/Azamj966)\
**Replies:** 0\
**Last updated:** [14 March 2019 16:44 UTC](https://discourse.nodered.org/t/gzip-azure-cloud/8988 "2019-03-14T16:44:01Z")

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Hello Everyone, I am new to node-red and I have Setup a flow to get data from s7-1500 Siemens Plc and send over to azure Cloud and all is working fine untill I tried to send Gzip compressed data. The error on the Cloud …

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## [Modify msg.payload after sending the message](https://discourse.nodered.org/t/modify-msg-payload-after-sending-the-message/8983)

<div class="topic-metadata">

**Author:** [@atzeohneglatze](https://discourse.nodered.org/u/atzeohneglatze)\
**Replies:** 2\
**Last updated:** [14 March 2019 16:11 UTC](https://discourse.nodered.org/t/modify-msg-payload-after-sending-the-message/8983 "2019-03-14T16:11:46Z")

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Hi, I'm using a node to execute a Python script with a spawn process and I'm reading stdout during execution. I would like to see the output in the debug window, which works fine if I send everytime a message when my ch…

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## [Sending message from RasPI](https://discourse.nodered.org/t/sending-message-from-raspi/8981)

<div class="topic-metadata">

**Author:** [@Aymeric](https://discourse.nodered.org/u/Aymeric)\
**Replies:** 3\
**Last updated:** [14 March 2019 15:46 UTC](https://discourse.nodered.org/t/sending-message-from-raspi/8981 "2019-03-14T15:46:37Z")

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hello everyone, I want to create a project with a friend of mine,(it's pretty easy but I have a trouble) she will send me a message with a RFM95W LoRa Radio module on a RasPI 3 and when I get this message I have to send…

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## [Making a custom node and getting ERROR : Waiting for missing types to be registered](https://discourse.nodered.org/t/making-a-custom-node-and-getting-error-waiting-for-missing-types-to-be-registered/8964)

<div class="topic-metadata">

**Author:** [@rb2594](https://discourse.nodered.org/u/rb2594)\
**Replies:** 6\
**Last updated:** [14 March 2019 11:18 UTC](https://discourse.nodered.org/t/making-a-custom-node-and-getting-error-waiting-for-missing-types-to-be-registered/8964 "2019-03-14T11:18:37Z")

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On my machine, nodejs version : 8.15.1 npm version : 6.4.1 I have made a simple node that generates any random number. I'm sharing the sequence of steps that I did so that it becomes simple and easy for you to unders…

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## [Axis Font Size on Barchart](https://discourse.nodered.org/t/axis-font-size-on-barchart/8722)

<div class="topic-metadata">

**Author:** [@JonG98](https://discourse.nodered.org/u/JonG98)\
**Replies:** 7\
**Last updated:** [14 March 2019 10:14 UTC](https://discourse.nodered.org/t/axis-font-size-on-barchart/8722 "2019-03-14T10:14:17Z")

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I have attempted to search but I can not seem to find the field for style sheet to change the font on the x and y axis for the legends. I attempted to examine the Elements but it appears to use a canvas element to make …

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## [About delay node](https://discourse.nodered.org/t/about-delay-node/8911)

<div class="topic-metadata">

**Author:** [@Grace1](https://discourse.nodered.org/u/Grace1)\
**Replies:** 5\
**Last updated:** [14 March 2019 05:47 UTC](https://discourse.nodered.org/t/about-delay-node/8911 "2019-03-14T05:47:24Z")

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\[{"id":"5649d154.e6843","type":"delay","z":"5e7bde25.a33bc","name":"","pauseType":"delay","timeout":"1","timeoutUnits":"seconds","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","rando…

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## [Using Node Red with SenseHAT](https://discourse.nodered.org/t/using-node-red-with-sensehat/8943)

<div class="topic-metadata">

**Author:** [@apistana](https://discourse.nodered.org/u/apistana)\
**Replies:** 2\
**Last updated:** [13 March 2019 21:38 UTC](https://discourse.nodered.org/t/using-node-red-with-sensehat/8943 "2019-03-13T21:38:08Z")

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Hi everyone, I am a college student working on a project. I am trying to monitor a twitter accounts sentiments and depending on whether it is "Good" "Bad" or "Neutral," light up the entire SenseHAT LED display with one …

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## [Http request with payload](https://discourse.nodered.org/t/http-request-with-payload/8944)

<div class="topic-metadata">

**Author:** [@niclas.w82](https://discourse.nodered.org/u/niclas.w82)\
**Replies:** 8\
**Last updated:** [13 March 2019 21:19 UTC](https://discourse.nodered.org/t/http-request-with-payload/8944 "2019-03-13T21:19:40Z")

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Hi. Is it possible to use msg payload in http url. for example 192.168.\*\*\*\*\*\*\*\*\*/ref=79&value=(msg.payload) I want this result value=1 /Niclas

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## [Changing global variable inside the function node](https://discourse.nodered.org/t/changing-global-variable-inside-the-function-node/8757)

<div class="topic-metadata">

**Author:** [@Petr](https://discourse.nodered.org/u/Petr)\
**Replies:** 58\
**Last updated:** [13 March 2019 21:08 UTC](https://discourse.nodered.org/t/changing-global-variable-inside-the-function-node/8757 "2019-03-13T21:08:32Z")

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I have global variable global.set("obed07", {payload: {template: "foo",Total:555, Today:0, Yesterday:0}}); How I can change it inside the function block. I am using following code now. var obed = global.get("obed07…

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## [Node red crash with javascript error](https://discourse.nodered.org/t/node-red-crash-with-javascript-error/8942)

<div class="topic-metadata">

**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\
**Replies:** 3\
**Last updated:** [13 March 2019 20:39 UTC](https://discourse.nodered.org/t/node-red-crash-with-javascript-error/8942 "2019-03-13T20:39:20Z")

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Hello I wrote the wrong javascript loop in a function, and this cause the complete node red to crash. for ( i = 0 ; lista1.message.length ; i++) { if(descript === lista1.message\[i\].ieeeAddr){ descript = lista1.messag…

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