While named function expressions might be useful for debugging purposes, some browsers do not support them correctly (for example Internet Explorer 8).

Noncompliant Code Example

f = function fun(){}; // Noncompliant;  named function expression

Compliant Solution

fun = function(){}; // Compliant; function expression

Exceptions

ECMAScript 6 generator functions are excluded from this rule.

function* f() {} // Compliant; generator function.