diff --git a/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-inequality-operator/index.md b/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-inequality-operator/index.md index 26f0edb38d..8f09728d68 100644 --- a/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-inequality-operator/index.md +++ b/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-inequality-operator/index.md @@ -3,15 +3,38 @@ title: Comparison with the Inequality Operator --- ## Comparison with the Inequality Operator -* `!=` (Inequality) is a logical operator that returns true case the value on the left is different from the one on the right. -* The inequality operator considers `7` and `"7"` to be the same because it doesn't compare the type of the variable. -## Basic Solution +### Problem explanation: +· _Add the inequality operator `!=` in the `if` statement so that the function will return "Not equal" when `val` is not equivalent to `99`._ + +#### Hint 1 +The inequality operator (`!=`) will return `true` if the first value is not equal to the second one without taking value type into consideration. +> _try to solve the problem now_ +> + +## Spoiler alert! + +**Solution ahead!** + +## Basic code solution: + ```javascript +// Setup function testNotEqual(val) { - if (val != 99) + if (val != 99) { // Change this line return "Not Equal"; - + } return "Equal"; } -``` \ No newline at end of file + +// Change this value to test +testNotEqual(10); +``` +· Run code at [repl.it](https://repl.it/@AdrianSkar/Basic-JS-Comparison-with-the-inequality-operator). + +### Code explanation +The function first evaluates `if` the condition `(val != 99)` evaluates to `true`. If it does, it returns the statement between the curly braces ("Not equal"). If it doesn't, it returns the next `return` statement outside them ("Equal"). + +### Resources + +- ["Inequality operator" - *MDN JavaScript reference*](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Comparison_Operators#Using_the_Equality_Operators#Inequality_(!))