JavaScript boolean.toString() Method

1. Syntax of JavaScript boolean.toString() Method
2. Example 1: Use boolean.toString() to Get True or False Statement as a String
3. Example 2: Use boolean.toString() to Use the Statement With Another String
4. Example 3: Create Boolean Object With Integer Value and Use the Boolean.toString() Method
5. Example 4: Create a Boolean Object With Undefined Value
6. Example 5: Create a Boolean Object With a Non-integer or Non-string Value

In JavaScript, the boolean.toString() method allows us to use the Boolean value as HTML text after converting it into a string.

Syntax of JavaScript boolean.toString() Method

boolean.toString();

Parameters

This method doesn’t contain any parameters.

Return

This method returns the string representation of the Boolean object.

Example 1: Use boolean.toString() to Get True or False Statement as a String

In JavaScript, the boolean.toString() method converts the value into a string and allows us to use it as HTML text. In this example below, we have created a variable that got the text as a string using the boolean.toString() method.

let boolean = true;
let text = boolean.toString();
console.log(text);

Output:

true

Example 2: Use boolean.toString() to Use the Statement With Another String

In JavaScript, the boolean.toString() method changes a true or false statement into a string that can be used with another string. In this below example, we have created a string and added the value for the output using the boolean.toString() method.

let ques ="Question 1:";
let ans = true;
console.log(ques + ans.toString());

Output:

Question 1:true

Example 3: Create Boolean Object With Integer Value and Use the Boolean.toString() Method

When we create the Boolean object with integer values, it returns true or false according to the value of the integer. For 0, the Boolean object returns false and all other numeric values; it returns true.

In this example below, we have created two different Boolean objects and applied the Boolean.toString() method, which returns a true or false string value.

let val1 = new Boolean(1);
console.log(val1.toString());
let val2 = new Boolean(0);
console.log(val2.toString());

Output:

true
false

Example 4: Create a Boolean Object With Undefined Value

When users create the Boolean object with the undefined value and use the toString() method by taking that object as a reference, it always returns a false string.

let val1 = new Boolean(undefined);
console.log(val1.toString());
let num;
let val2 = new Boolean(num);
console.log(val2.toString());

Output:

false
false

Example 5: Create a Boolean Object With a Non-integer or Non-string Value

When we create the Boolean object using non-string values, it returns true if the parameter element is not empty or contains some values and false for undefined, NaN, and null values.

In this example below, we created the array and the Boolean object using it. Afterward, we used the toString() method on the array, returning the true string value.

let val1 = new Boolean(NaN);
console.log(val1.toString());
let num = ["Delft","stack"];
let val2 = new Boolean(num);
console.log(val2.toString());

Output:

false
true

The boolean.toString() method is supported in all browsers of the current version.