TypeError: Cannot find function includes in object (even though the object is an array)

Question

Why does app scripts not find the function includes in the object that is clearly an Array.

function test() {
  var list = ['a', 'b', 'c'];
  Logger.log(list.constructor.name) // Array
    if ( list.includes('a') ){
      Logger.log('yes');
    } 
 return 'done';
}

The error text:

TypeError: Cannot find function includes in object a,b,c. (line 134, file "Code")

I am new with google app scripts and I am getting mad. I have tried it in a online Javascript console and everything is fine.

Google Apps Script is JavaScript 1.6, not EMCAScript2017. See also stackoverflow.com/q/50281560/9337071 — tehhowch
– tehhowch, Commented Jul 11, 2018 at 18:08

cek11lru · Accepted Answer · 2018-07-11 18:34:54Z

6

Due to the comment that helped, this is an alternative solution.

function test() {
  var list = ['a', 'b', 'c'];
  Logger.log(list.constructor.name) // Array
  if ( list.indexOf('a') > -1 ){
      Logger.log('Yes'); // 'Yes'
  } 
return 'done';
}

answered Jul 11, 2018 at 18:34

cek11lru

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Comments

Steffen Moritz · Accepted Answer · 2019-06-29 12:45:41Z

0

Used this thread to create this function for this purpose.

function includesReplacement(theArrayOrHaystack, theItemOrNeedle) {
 return (theArrayOrHaystack.indexOf(theItemOrNeedle) > -1);
}

edited Jun 29, 2019 at 12:45

Steffen Moritz

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answered Jun 28, 2019 at 20:18

user1161625

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