JavaScript – Convert String to Integer
To convert a string to integer in JavaScript, call parseInt() function and pass the string as argument to it.
Optionally, we may pass the base/radix as second argument to parseInt() function.
parseInt() function returns an integer created from the given string and base/radix.
The syntax to convert a string str to an integer is
parseInt(str)
The syntax to call parseInt() with base/radix is
parseInt(str, radix)
Examples
In the following example, we have taken a string in str, and convert this string to integer using parseInt() function.
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Now, let us give a base value of 8 and parse the integer from given string.
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The returned value by parseInt() is a decimal value.
Conclusion
In this JavaScript Tutorial, we learned how to convert a string into integer using parseInt() function, with examples.