How to check a value is included in array or not.

[roshini1]

am getting 'return JSON.stringify(CIs)' value as ["CI1","CI2","CI3","CI14"] form script include, I need to check the selected ci (eg:- CI1) on the form is part of this return value or not.
if yes need to give an alert
can i know how to achieve this. 
Am able to get the values from script include to client script, but am struggling with the conditional check.

[palanikumar · Accepted solution]

You can use indexOf function to check whether a value is present in the array of not. -1 refers value not present

Refer sample script

var ciArr = ["CI1","CI2","CI3","CI14"];

gs.info(ciArr.indexOf("CI1")); // Returns 0
gs.info(ciArr.indexOf("CI3")); // Returns 2
gs.info(ciArr.indexOf("CI5")); // Returns -1
gs.info(ciArr.indexOf("CI")); // Returns -1

[SumanthDosapati]

Hi Roshini,

As you are passing it as JSON string then try below.

var returnedValue; //store returned value in this variable
if(returnedValue.includes(g_form.getValue('ci_field_name')))
{
alert("yes");
}
else
{
alert("no");
}

Mark as correct and helpful if it solved your query.

Regards,
Sumanth

[Shubham1195]

I was always getting  false value while using array.includes() directly to compare multiple string values in a single time.
To overcome this issue you should use 
var str = array.toString();
str.includes("CI1") && str.includes("CI2") ? return true : return false;