How to usethe Boolean() function in Javascript
The boolean function returns the boolean value of the variable. It can also be used to find the boolean result of a condition, expression, etc. The Boolean() function evaluates the input and returns a boolean value. In this case, since the input string “true” is non-empty, the Boolean() function returns true.
Example: In this example, we are using the above-explained approach.
let str = "true";
let result = Boolean(str);
console.log(result);
Output
true
JavaScript Convert a string to boolean
To Convert a string to Boolean, we have multiple approaches. We are going to learn how to Convert a string to Boolean.
Below are the approaches used to Convert a string to Boolean:
Table of Content
- Approach 1: Using JavaScript == Operator
- Approach 2: Using JavaScript === Operator
- Approach 3: Using the Boolean() function
- Approach 4: Using a regular expression
- Approach 5: Using the !! (double negation) operator
- Approach 6: Using JSON.parse()
- Approach 7: Using Ternary Operator
- Approach 8: Using Switch Case
- Approach 9: Using a Custom Map Function