This JavaScript warning test for equality (==) is mistyped as an assignment (=)? occurs if by assignment (=) is used in place of equality (==).
Message:
Warning: SyntaxError: test for equality (==) mistyped as assignment (=)?
Error Type:
SyntaxError: Warning which is reported only if javascript.options.strict preference is set to true.
Cause of error: There is an assignment (=) used in place of equality (==) in the code.
Example 1: In this example, the ‘=’ is used in place of ‘==’. So the error has occurred.
Javascript
if (a = b) { // Error here // do something} |
Output:
Warning: SyntaxError: test for equality (==) mistyped as assignment (=)?
Example 2: In this example, the ‘=’ is used in place of ‘==’. So the error has occurred.
Javascript
let a = 5;let b = 4;let c = 5;if (b = c) { // do something} else if (a = c) { // do something} |
Output:
Warning: SyntaxError: test for equality (==) mistyped as assignment (=)?
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