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How to get the first 3 digits from a cell

So I have got a column and i want to get the first 3 digits only from it and store them in a function called wnS using the split function or any other method that would work. I want to get the first three digits before "_"
I tried doing this but it didn't work, and I also kept getting "TypeError: wnC.split is not a function"
var ssh = ssPO.getSheetByName("PO for OR (East).csv")
wnC = ssh.getRange("N2:N");
var wnS = wnC.split("_");
I would really appreciate an answer
If you need more info please let me know
Thank you.

After you define range, you have to get the values.
function first_3_digs (){
var ssh = ssPO.getSheetByName("PO for OR (East).csv")
var wnC = ssh.getRange("N2:N");
var values = wnC.getValues();
const first_3_digs = values.filter(r => {
if(r.toString().includes('_')){return r;}
}).map(r=> r.toString().split('_')[0]);
console.log(first_3_digs)
}

const cell = "(303) 987-4567";
const first3 = cell.match(/\d{3}/)[0];
//result:303
String method match()
regular expression
BTW: you can test methods like this very easily in the console.log in the browsers developer tools.

Facing issue in restricting the amount of splits

I have used the below code to split my string.
splitter.map((item1) => {
let splitter1 = item1.split("=")[0].trimLeft();
let splitter2 = item1.split("=")[1].trimRight();
});
where item1 contains string as
Labor_Agreement=0349BP
Default_Hours=5/8
Probation_Period=>=12 Months
The issue I am facing is to restrict the amount of splits. Because the above code will fail in case of third string , i.e. Probation_Period=>=12 Months
I tried giving parameter to restrict the amount of split in split method above, but that is giving syntax error.

An easy to understand solution would consist of first finding the first = character, and slicing you array twice to get the right portion :
const strings = [
'Labor_Agreement=0349BP',
'Default_Hours=5/8',
'Probation_Period=>=12 Months',
];
strings.map(item => {
const chSplit = item.indexOf('=');
const splitter1 = item.slice(0, chSplit).trim();
const splitter2 = item.slice(chSplit + 1).trim();
console.log(splitter1, splitter2);
});

Get slug value from parameter using JavaScript

I have a url with format like this:
http://www.test.com/document/navigate/{{project_id}}/{{note_id}}
the value within {{}} will be filled with integer, like this for example
http://www.test.com/document/navigate/1/3
http://www.test.com/document/navigate/7/2
http://www.test.com/document/navigate/3
the value for note_id in the url is not mandatory, but i need to retrieve both for the project_id and note_id. how can i achieve that?

You can use a regular expression: http[s]?:\/\/www.test.com\/document\/navigate\/([\d]+)[\/]?([\d]+)?[\/]?.
Essentially it is laying out the protocol, hostname/domain, and the part of the path that we know. Then there are two capturing groups - the project ID and the note ID (optional).
You could use it like so:
const url = 'http://www.test.com/document/navigate/1/3';
const parts = url.match(/http[s]?:\/\/www.test.com\/document\/navigate\/([\d]+)[\/]?([\d]+)?/);
console.log(parts[0]); // "http://www.test.com/document/navigate/1/3" <- full match
console.log(parts[1]); // "1" <- first group
console.log(parts[2]); // "3" <- second group, which will be undefined if left off
Note: this may not be a foolproof answer. I recommend trying out many other potential variations. Also be aware that this returns strings, so you may have to parseInt() or something if you want real numbers.
Here is a Regexr showing you how this works (this is how I mess around until I get it right).

One way you can make use of the part navigate/ like the following way:
var url1 = 'http://www.test.com/document/navigate/1/3';
var url2 = 'http://www.test.com/document/navigate/7/2';
var url3 = 'http://www.test.com/document/navigate/3';
function getValue(url){
var arr = url.match(/navigate\/([^ ]*)/);
arr = arr[arr.length - 1].split('/');
if(arr.length == 1)
return { project_id: +arr[0] };
else if(arr.length == 2)
return { project_id: +arr[0], note_id: +arr[1] };
else
return 'invalid';
}
console.log(getValue(url1));
console.log(getValue(url2));
console.log(getValue(url3));

Leading and trailing zeros in numbers

I am working on a project where I require to format incoming numbers in the following way:
###.###
However I noticed some results I didn't expect.
The following works in the sense that I don't get an error:
console.log(07);
// or in my case:
console.log(007);
Of course, it will not retain the '00' in the value itself, since that value is effectively 7.
The same goes for the following:
console.log(7.0);
// or in my case:
console.log(7.000);
JavaScript understands what I am doing, but in the end the actual value will be 7, which can be proven with the following:
const leadingValue = 007;
const trailingValue = 7.00;
console.log(leadingValue, trailingValue); // both are exactly 7
But what I find curious is the following: the moment I combine these two I get a syntax error:
// but not this:
console.log(007.000);
1) Can someone explain why this isn't working?
I'm trying to find a solution to store numbers/floats with the exact precision without using string.
2) Is there any way in JS/NodeJS or even TypeScript to do this without using strings?
What I currently want to do is to receive the input, scan for the format and store that as a separate property and then parse the incoming value since parseInt('007.000') does work. And when the user wants to get this value return it back to the user... in a string.. unfortunately.

1) 007.000 is a syntax error because 007 is an octal integer literal, to which you're then appending a floating point part. (Try console.log(010). This prints 8.)
2) Here's how you can achieve your formatting using Intl.NumberFormat...
var myformat = new Intl.NumberFormat('en-US', {
minimumIntegerDigits: 3,
minimumFractionDigits: 3
});
console.log(myformat.format(7)); // prints 007.000

Hi
You can use an aproach that uses string funtions .split .padStart and .padEnd
Search on MDN
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd
Here you have an example:
const x = 12.1;
function formatNumber( unformatedNumber) {
const desiredDecimalPad = 3;
const desiredNonDecimalPad = 3;
const unformatedNumberString = unformatedNumber.toString();
const unformatedNumberArr = unformatedNumberString.split('.');
const decimalStartPadded = unformatedNumberArr[0].padStart(desiredDecimalPad, '0');
const nonDecimalEndPadded = unformatedNumberArr[1].padEnd(desiredNonDecimalPad, '0');
const formatedNumberString = decimalStartPadded + '.' + nonDecimalEndPadded;
return formatedNumberString;
}
console.log(formatNumber(x))

Manipulate text from form - JavaScript/Jquery

Hello I am working on a project and last night I had a thought that would make a lot of what I am wanting to do a heck of a lot easier, the only problem is I am not sure on the best way to tackle it. Let me explain....
I have a form on a website where a user enters a VIP ID that is in a pre-determined format and follows a logical naming convention.
Example: app.prod.platform.org.dc1.prod.site.com-HTTP_80tcp-00000000-lb
I want to pull out the following information from the entered text.
prod.platform.org.
Then I want to reverse it logically
.org.platform.prod
And then I want to replace the “.” For “/”
/org/platform/prod
And finally I want to add a postfix of “/open*”
/org/platform/prod/open*
So in short,
INPUT = app.prod.platform.org.dc1.prod.site.com-HTTP_80tcp-00000000-lb
OUTPUT = /org/platform/prod/open*
I am using javascript/jquery for everything else but I am pretty new to all of this so I tend not to know the best route to tackle a problem. If I need to provide some more detail I can do. Any help is much appreciated.

Or simple like this
var input = "app.prod.platform.org.dc1.prod.site.com-HTTP_80tcp-00000000-lb" ;
var output =
"/" +
input
.split(".")
.slice(1, 4)
.reverse()
.join("/") +
"/open";

var output =
"/" +
"app.prod.platform.org.dc1.prod.site.com-HTTP_80tcp-00000000-lb"
.split(".")
.slice(1, 4)
.reverse()
.join("/") +
"/open";

You can try below code :
var input = "app.prod.platform.org.dc1.prod.site.com-HTTP_80tcp-00000000-lb";
var tempArr = input.split(".");
var newArr = new Array();
for(var i=1;i<tempArr.length;i++){
if(tempArr[i]=="org" || tempArr[i]=="net"){
newArr.push(tempArr[i]);
break;
}
newArr.push(tempArr[i]);
}
newArr.reverse();
var output="/"+newArr.join("/")+"/open*";