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JavaScript double to int | Example code

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Use parseInt() function to convert double to int in JavaScript.The parseInt() function parses a string argument and returns an integer of the specified radix.

Example double to int in JavaScript

Simple example code.

var num = 2.9
console.log(parseInt(num, 10)); 


JavaScript double to int

You can also use |.

var num = 2.9
console.log(num | 0); // 2

Converting a double to int in Javascript without rounding

Just use parseInt() and be sure to include the radix so you get predictable results:

parseInt(d, 10);

Do comment if you have any doubts or suggestions on this JS double to int topic.

Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.

OS: Windows 10

Code: HTML 5 Version

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