Array .indexOf() method not working

[Mike McCall]

I realize this could be a general JavaScript question, but it seems like it should be working in the "real world" (and is failing within Service-Now). Basically, I'm using a business rule to look through an array of values from a custom status field I've added to [grc_remediation]:

     var grRemediations = new GlideRecord('grc_remediation');
...
     var aRemediationStatuses = new Array();
     while (grRemediations.next()) {
           aRemediationStatuses.push(grRemediations.u_status.toLowerCase());
     }
...
     gs.log('aRemediationStatuses: ' + aRemediationStatuses);
     // The statement above will return 'aRemediationStatuses: work in progress,open'.

     gs.log('aRemediationStatuses.indexOf("open"): ' + aRemediationStatuses.indexOf('open'));
     /*
           The statement above will return 'aRemediationStatuses.indexOf("open"): undefined'.
           Shouldn't it return 'aRemediationStatuses.indexOf("open"): 1'?
       */

I need to know where a value is showing up within an array (or if it's not in the array at all), but I just keep getting 'undefined' returned by .indexOf(), and I have verified that the array is properly populated. Any suggestions?

[sabell2012]

Kevin:

underscore.js.

Challenge accepted!   Next article (today(?)).  

Steven.

[sabell2012]

Published!

Mini-Lab: Adding Underscore.js Into ServiceNow

[kevinanderson]

Steve:

You should have a look at the object extend operator in underscore for your server-side lab.   I have found issues with other implementations of extend running on this version of rhino don't behave as expected when mixing objects.   I was working with another extend function from github last month, and in browser testing, objects could be mixed ( _.extend ) both directions (A into B, B into A), and all the keys and values however deeply nested would properly merge.   But I found that this version of Rhino doesn't behave the same when pushing deeply nested keys from obj B into A, when the keys didnt exist in A already.   I think I was testign this with keys where the values were objects...and it descended at-least 3 levels deep.

this is the library I was using where I observed the behavior: object-extend/extend.js at master · bernhardw/object-extend · GitHub

Sorry i cant seem to find my test cases from the day i ran into this.

I believe it was something like:

var a = {
       'a' : 'test 1',
       'b' : 'test 2',
       'c' : {
                           'z': 'nested 1',
                           'y' :   { 'q' : 'nested 2'   }
                       },
};

var b= {
       'd' : 'test 3',
       'e' :   'test 4',
       'f' :   {
           'm' : { 'j' : 'nested 3' } ,
           'n' : 'nested 4',
       },
       'g' : 'test '5',
 }

gs.log(_.extend(a,b))
gs.log(_.extend(b,a))

[shetzel · Accepted solution]

For anyone that runs across this post as I did today.   A colleague of mine just mentioned .indexOf() works in Helsinki for arrays.   I tried it between Geneva and Helsinki and indeed it does work!

var s='Detroit,London,Tokyo'; 
var s2 = s.split(',');
var a = s2.indexOf("London");
gs.print(a);

In Geneva I get "undefined"

In Helsinki I get "1"

[kevinanderson]

Geneva - JavaScript Rhino (server-side) version - ECMA 3.     Use polyfills from MDN   for any newer javascript functionality

Helsinki - JavaScript Rhino (server-side) version - ECMA 5       supports newer javascript functions such as string.trim() and array.indexOf()

ECMAScript 5 compatibility table