JavaScript | uneval() with Examples
The uneval() is an inbuilt function in JavaScript which is used to create a string representation of the source code of an Object.
Syntax:
uneval(object)
Parameters: It accepts an object which may be a JavaScript expression or statement.
Return Value: It returns a string which represents the source code of the given Object.
Code #1:
If the number is passed to the function uneval() then the function will return a string with the value of the object passed.
<script> var obj = 2; document.write(eval(obj)); </script> |
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Output:
2
Code #2:
If the char is passed to the function uneval() then the function will return a string with the value of the object passed.
<script> var obj = '2'; document.write(uneval(obj)); </script> |
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Output:
"2"
Code #3: If the number is passed to the function uneval() then the function will return a string with the value of the object passed.
<script> var obj = uneval(function func() { return 'Geeksforgeeks'; }); var func1 = eval(obj); document.write(func1()); </script> |
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Output:
GeeksforGeeks
Difference between eval() and uneval() functions:
The uneval() function returns the source of a given object whereas the eval() function evaluates that source code in a different memory area.
Note: Above codes will run only in Firefox web browser.
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