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JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Adding Items to an Array

Posted by Nathan evans
Nathan evans
3,775 Points

what is the error; ReferenceError: Left side of assignment is not a reference.

i dont know what it means or whats wrong

script.js 
var guestList = ['Sandra', 'Omar', 'Magnus', 'Becky'];
guestList.push() = ["Tony", "Geen",];
index.html 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript Loops</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>
Nathan evans
Nathan evans
3,775 Points

ive tried changing the " " , 's into ' ' ,

Dehn Hunsworth
Dehn Hunsworth
7,189 Points
Dehn Hunsworth
Dehn Hunsworth
7,189 Points

and there is an extra comma in the array your adding to original

2 Answers

Dehn Hunsworth
Dehn Hunsworth
7,189 Points
Dehn Hunsworth
Dehn Hunsworth
7,189 Points

Its because of the = the array your adding to the guestList should be inside the ()

guestList.push(["name1", "name2"]);
Dehn Hunsworth
Dehn Hunsworth
7,189 Points
Dehn Hunsworth
Dehn Hunsworth
7,189 Points

I believe not a reference is kinda like saying its not a variable, since its a method your calling on a variable.

Christian Higgins
Christian Higgins
15,758 Points
Christian Higgins
Christian Higgins
15,758 Points

Rewatch the previous video Adding Data to Arrays from about the 2:00 to about the 3:20 mark. The items you want to push to your array will go inside the parentheses of the push method. You also don't need to add the brackets.