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const bird = "crow"
const colour = "black"
const total = bird + colour
console.log(total)
//NaN = Not a number
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// NaN: Not a Number in javascript
console.log(parseInt('1.23')); // 1.23
console.log(parseInt('something')); // NaN
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console.log(isNaN('Character'));
//Output:
true
console.log(isNaN('10'));
//Output:
false