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Oracle Apex changing a String of a object

So I want to get the Object which is essentialy a string. The issue is I cant transfer it into the string format since the resulting string is just anything but the thing I want. Bringing the object into a json doesnt bring a proper string either so my only way of achieving that is the concat method.
I have a Popup-Love which returns the string as follows foo, foo1 ,foo2 while I need it as
'foo1','foo2',...,'foo999' .
My method manages to do that for the first element while all the other elements remove the apostrophe resulting in something like 'foo,foo1,foo2'. How do i fix that?
var i = 0;
if(i == 0){
var t ="'";
var t = t.concat(apex.item("P29_STANDORT").getValue());
var t = t.concat("'");
apex.item("P29_TEST").setValue(t);
i = i +1;
} else {
var t = t.concat("'");
var t = t.concat(apex.item("P29_STANDORT").getValue());
var t = t.concat("'");
apex.item("P29_TEST").setValue(t);
}

You can "overwrite" the native toString() function of the Object and replace it with a function that does what you want. Something like below
function MyObj(){
this.creationTime = new Date().toLocaleString();
}
MyObj.prototype.toString = function something(){
return 'I was created on ' + this.creationTime;
}
var myObj = new MyObj();
console.log('String version of my custom object: ' + myObj);

Using str.replace for multiple words

I am creating a work tool for notepad abbreviations. As the company I work for is strict about downloading any external tools I've resorted to using Javascript and HTML built on notepad.
I've been able to replace single words such as when I type "Vacancy" it returns "VAC". Or when typing "Payment" it returns "PYMT". My issue is trying to replace multiple words into 1 small abbreviation. For instance "Follow Up" I want to return "F/U". With the spaces I'm finding it is not working.
Tried multiple ways but unable to figure this out.
Here is the code snippet that I've used
function myFunction() {
var str = document.getElementById("demo").value;
var mapObj = {
Payment:"PYMT",
Vacancy:"VAC",
str = str.replace(/Payment|Vacancy, fucntion(matched){
return mapObj[matched];
});
alert(str);
document.getElementById("demo").value = res;
}
What I would like to do is add my mabObj
so it would read
function myFunction() {
var str = document.getElementById("demo").value;
var mapObj = {
Follow Up:"F/U"
str = str.replace(/Follow Up|, fucntion(matched){
return mapObj[matched];
});
alert(str);
document.getElementById("demo").value = res;
}

JavaScript objects can have properties with spaces in them, but in order to do so, the property name needs to have quotes around it.
That said, I would suggest using a Map in this case, as it will allow you to match any string without worrying about naming collisions with properties from the object's prototype.
const abbreviation = new Map([
['Follow Up', 'F/U'],
['Payment', 'PYMT'],
['Vacancy', 'VAC']
]);
const input = 'Payment noise Vacancy noise Follow Up noise Vacancy';
const pattern = new RegExp(Array.from(abbreviation.keys()).join('|'),'g');
const result = input.replace(pattern, (matched) => {
return abbreviation.get(matched) || matched;
});
console.log(result); // 'PYMT noise VAC noise F/U noise VAC'

To include a key with a space in an object you can put it in brackets like {["Follow Up"]: "F/U"}
function replaceKeyWords(str) {
var mapObj = {
Payment:"PYMT",
Vacancy:"VAC",
["Follow Up"]:"F/U",
};
str = str.replace(/(Payment|Vacancy|Follow Up)/, function(matched){
return mapObj[matched];
});
return str;
}
console.log(replaceKeyWords("Payment"));
console.log(replaceKeyWords("Vacancy"));
console.log(replaceKeyWords("Follow Up"));

is there a way to use newlines in xdmp.eval()

Hi I want to write clean code that I can read and have a good overview.
So I wrote this:
var id = '12345';
var coll = ['scc-roles','scc-proj-' + id];
var spm = 'some-role';
var data = {role : spm, roleNames : 'sccss-user', collection : coll}
var spmRoleId = xdmp.eval('declareUpdate();
var sec = require("/MarkLogic/security.xqy");
var roleId = sec.createRole(role, "Generated project member", roleNames, null, collection,null,null);
var uri = "http://marklogic.com/xdmp/roles/" + roleId;
xdmp.documentAddCollections(uri,collection)',data,{"database" : xdmp.securityDatabase()})
But apparently a newline is not allowed in xdmp.eval() ?
[javascript] JS-JAVASCRIPT: + 'var sec = require("/MarkLogic/security.xqy"); -- Error running JavaScript request: SyntaxError: Unexpected token ILLEGAL
I tried using a '+' sign to generate a strng over more then one line, swapping single and double quotes but no luck.
Being able to test this code (copy paste) to the security database makes a lot of sense to me...
If I wrap it all in one unreadable line , it works ok.
hugo

The way to effectively create a new line in a JavaScrit string is to escape the new line char like this
var str = "I'm displayed\
in two line";
In the final file, you will see effectively a new line.
If you want see in the dist output the new line but not in your src string you could just insert the \n equivalent of a return to line.
var str = "I'm displayed\n in two line";
In es6 you will be able to use ` char to achieve the same thing without \
var str = `I'm displayed
in two line`;

Maybe you would like the strange, yet useful array-notation way of doing this:
var multiline1 = [
'the lazy fox',
'jumped over',
'the dead chicken',
].join('\n');
and the result:
the lazy fox
jumped over
the dead chicken

In general, you should avoid string concatenation to build code for eval. Strings make it difficult to spot bugs and are a great vector for injection attacks. Instead, I'd advise you to write a proper function in XQuery or JavaScript and use xdmp.invokeFunction to evaluate it. invokeFunction takes all of the same options as xdmp.eval.
Here's an example that gets roles in the context of a security database. The applyAs function returns a function that wraps the function provided by the caller, evaluating it with the eval options provided.
function applyAs(fct, options) {
return function() {
var params = Array.prototype.slice.call(arguments);
// Curry the function to include the params by closure.
// xdmp.invokeFunction requires that invoked functions have
// an arity of zero.
var f = (function() {
return fct.apply(null, params);
}).bind(this);
// Allow passing in user name, rather than id
if(options.user) { options.userId = xdmp.user(options.user); delete options.user; }
// Allow the functions themselves to declare their transaction mode
if(fct.transactionMode && !(options.transactionMode)) { options.transactionMode = fct.transactionMode; }
return xdmp.invokeFunction(f, options); // xdmp.invokeFunction returns a ValueIterator
}
}
/**
* Gets an Array of id-name Objects. Requires privileged access to security.
*
* #param names An optional Array of role IDs as strings used to filter
* #return An Array of Objects with role ID keys and role name values
*/
function getRoles(names) {
var sec = require('/MarkLogic/security.xqy');
var db = {database: xdmp.securityDatabase()};
var roleIDs = applyAs(sec.getRoleIds, db);
var rolesItr;
if(Array.isArray(names)) {
rolesItr = roleIDs(xdmp.arrayValues(names));
} else {
rolesItr = roleIDs();
}
var roleNames = applyAs(sec.getRoleNames, db)(rolesItr).toArray().map(function(el) { return el.textContent; });
var roles = [];
var i = 0;
for(var role of rolesItr) {
var r = {}
r[role.textContent] = roleNames[i++];
roles.push(r);
}
return roles;
}
getRoles();
Originally from a gist.

JavaScript String subclassing issue

I'm working on a simple browser mud-client, and i need to provide some basic functions to string processing. So, when some user casts a mass spell, it should be collapsed into a one string, i.e. CAST: User1 -> [target1, target2]. I wrote the code:
function CastGroup(caster, cast, targets, text) {
this.cast = cast || '';
this.targets = targets || [];
this.caster = caster || '';
this.text = text || '';
}
CastGroup.prototype = new String;
CastGroup.prototype.render = function(){
var targets = this.targets ? '[' + this.targets.join(', ') + ']' : '';
var text = '<b>CAST</b>: ' + this.caster + ' ' + this.cast + ' -> ' + targets + '\n';
this.text = text;
return new CastGroup(this.caster, this.cast, this.targets, this.text);
};
CastGroup.prototype.valueOf = function(){
return this.text;
};
CastGroup.prototype.toString = function(){
return this.render();
};
var c = new CastGroup('name', 'supercast', ['1', '2']);
console.log(typeof c); // object
var s = c.replace('name', 'nomnom');
console.log(typeof s); // string
Any string function, i.e. String.replace() replaces the original object. How can i avoid it?
EDIT1
I have a post-process highlighting "engine", that calls user's callbacks. User should think, that bundle has only strings. bundle is an array with raw text, plain text, and colorized text. User defines callbacks in user-space, that should do all the highlighting work.
function process_highlights(bundle){
if (!bundle || !bundle.length){
return bundle;
}
var highlight_result = bundle;
for (var i=0; i<HIGHLIGHTS.length; i++){
highlight_result = HIGHLIGHTS[i](highlight_result);
}
return highlight_result;
}
So, text process chain looks like: original_bundle -> subst_processor -> trigger_processor -> highlight_processor -> output_window. All of these processors takes and return a bundle, that should contain strings. I cannot change the design now.

If I understand your question correctly, you need to remove this: CastGroup.prototype = new String;
and do this: CastGroup.prototype = String.prototype;
This will give you the String methods without returning a new String object. To learn more about this (and about advanced Javascript in general), check out these slides.
Update:
I think I understand your question a little better now. The replace string method returns a new string, which is why it's overwriting your object.
You don't need to inherit from the String object at all. String methods won't even work on an object (so delete CastGroup.prototype = new String). What you want to do is just modify the object's values directly.
If you need to modify the 'text' value of your CastGroup, then declare another method:
CastGroup.prototype.modifyText = function (findValue, replaceValue) {
var text = this.text;
this.text = text.replace(findValue, replaceValue);
return this;
};

This worked for me.
CastGroup.prototype.replace = function() {
this.text = this.text.replace.apply(this.text, arguments);
return this;
};
Overwrite the prototype in your object, update the field that needs updating, then return the object.

Javascript Split properties into Object exclude inside Strings

What is the best method for splitting or extracting the css properties out of as string and into an object?
var cssProperties = 'background:green;content:"Content;";color:pink;';
The above should result in the following
var theObject = {
background:'green',
content:'"Content;"',
color:'pink'
}
Unfortunately I can not just use a split(";") and cycle through the array due to the semicolon in the url. I could create a giant loop that cycles through every character while skipping the ";" only while wrapped in quotes, but that seems kinda of wrong.
Is there a regex trick for this?
Optional:
Also are there any really good regex websites. I understand most of the syntax but there doesn't seem to be many practical really complicated examples on most of the websites I have found.

Here is a fiddle further demonstrating the function: http://jsfiddle.net/ZcEUL/
(function() {
var div = document.createElement('div'),
rprops =/[\w-]+(?=:)/g,
rcamelCase = /-(\D)/g,
fcamelCase = function(a,letter) {
return letter.toUpperCase();
};
window['styleToObject'] = function(str) {
var props = str.match(rprops),
prop, i = 0,
theObject = {};
div.style.cssText = str;
while (prop = props[i++]) {
var style=div.style[prop.replace(rcamelCase,fcamelCase)];
if (style) {
theObject[prop] = style;
}
}
return theObject;
};
})();

Here was the solution I made regarding your first css string you had listed... Not the best but maybe it'll help spark some ideas.
JSFiddle Example

Try this or something similar
var newString = cssProperties
.replace(":", ":'")
.replace(";", ", '");
var obj = eval(newString);