Javascript - Avoid use of alert function

Rule number

SN-0114

Impact

The alert function can be useful for debugging during development, but in production mode this kind of pop-up could expose sensitive information to attackers, and should never be displayed.

Remediation

Remove all alert function calls from your code.

Time to fix

5 min

Code examples

Noncompliant code

if(unexpectedCondition) {
alert("Unexpected Condition Is Happening");
}

Compliant code

if(unexpectedCondition) {
console.log("Unexpected Condition Is Happening");
}