JS script for dummy!

[ChrisMaclaurin]

Is there a simple JS script example (without feature by location) which queries a feature layer and returns all the attributes / records of a layer? and even better what would be the syntax for finding a Max value of an attribute in the host layer? Any help wold be blissfully received.

[ChrisMaclaurin]

Hi JMP,

I don't know IdCar? Is it a field name? I can't see it in your function.

I have never really used the fx area in scripts. It doesn't seem to work for me, yet the form & script are returning me the values I desire in the form I am using so the token does appear to be working ok, but yet it returns me an error in the fx area. 

Chris

[JavierCMartínezPrieto]

Hello chris
if the IdCar is the name of another field that is in the layer, it is the field I want to use to filter the values, but it keeps returning the maximum value of the KmFin field. it should be in the where class where I have to enter the filter field, but I can't get it to do anything....

I don't get an error in the fx once I paste the token, which provokes a question: Every time I start the survey, do I have to paste the token in the fx for the script to work, or does the program itself update the token once it has been entered?

Greetings javier

[ChrisMaclaurin]

Hi Javier,

The statisticType":"MAX will return the highest value on the named field (KmFin). There is no filtering in the function.

There may be another way but I would filter on a second field by bringing it into your function on the xls form e.g pulldata("@javascript", "functions.js", "NameOfFunction", ${token}, ${SecondField})

This would be brought into the function as an argument eg. function NameOfFunction (token, SecondField) {

Then you would need to know how to filter using JavaScript in the function.

The token does not need to be manually entered, it passes through automatically

Chris