JavaScript Boolean constructor Property
Below is the example of the Boolean constructor property.
- Example:
javascript
<script type = "text/javascript"> var bool = false; document.write("bool.constructor:" + bool.constructor); </script> |
- Output:
bool.constructor:function Boolean() { [native code] }
In JavaScript, the boolean constructor property returns the constructor function for an object. For JavaScript Boolean, the constructor property returns function Boolean() { [native code] }.
Syntax:
boolean.constructor
Return value: It returns the function Boolean() { [native code] }.
More example codes for the above property are as follows:
Example 1: This example illustrates boolean constructor property.
html
<!DOCTYPE html><html><head> <title> JavaScript Boolean constructor Property </title></head><body style="text-align:center;"> <div> <h1 style="color: green;">GeeksforGeeks</h1> <p> JavaScript Boolean constructor Property returns the function that created the boolean's prototype: </p> <b id="GFG"></b> </div> <!-- Script to use boolean constructor --> <script> var bool = false; document.getElementById("GFG").innerHTML = bool.constructor; </script></body></html> |
Output:
Example 2: This example illustrates boolean constructor property.
html
<!DOCTYPE html><html><head> <title> JavaScript Boolean constructor Property </title></head><body style="text-align:center;"> <div> <h1 style="color: green;">GeeksforGeeks</h1> <p> JavaScript Boolean constructor Property returns the function that created the boolean's prototype: </p> <button onclick="gfg()">Click me</button> <p id="name"></p> </div> <!-- Script to use Boolean constructor Property --> <script> function gfg(){ var bool = false; document.getElementById("name").innerHTML = bool.constructor; } </script></body></html> |
Output:
Supported Browsers: The browsers supported by JavaScript Boolean constructor Property are listed below:
- Google Chrome 1 and above
- Internet Explorer 3 and above
- Mozilla Firefox 1 and above
- Safari 1 and above
- Opera 4 and above
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