This JavaScript exception is not iterable occurs if the value present at the right-hand-side of for…of or as argument of a function such as Promise.all or TypedArray.from, can not be iterated or is not an iterable object.
Message:
TypeError: 'x' is not iterable (Firefox, Chrome) TypeError: 'x' is not a function or its return value is not iterable (Chrome)
Error Type:
TypeError
Cause of Error: Somewhere in the code, the value present at the right-hand-side of for…of or as argument of a function such as Promise.all or TypedArray.from, is used like it can be iterated or is an iterable object.
Example 1: In this example, the GFG_Obj is not iterable, So the error has occurred.
Javascript
let GFG_Obj = { 'prop1': 'val1', 'prop2': 'val2' };// TypeError: GFG_Obj is not iterablefor (let x of GFG_Obj) { // Do Anything.} |
Output(in console):
TypeError: GFG_Obj is not iterable
Example 2: In this example, the GFG is not iterable, So the error has occurred.
Javascript
function* GFG(a, b) { yield a; yield b;}// TypeError: GFG is not iterablefor (let y of GFG) console.log(x); |
Output(in console):
TypeError: GFG is not iterable
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