find the base 2 logarithm of a number in typescript

To find the base 2 logarithm of a number in TypeScript, we can use the following function:

index.ts
function log2(x: number): number {
  return Math.log(x) / Math.log(2);
}
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The log2() function takes in a number x as input and returns the base 2 logarithm of that number.

We can test the function with the following code:

index.ts
console.log(log2(8)); // Output: 3
console.log(log2(16)); // Output: 4
console.log(log2(32)); // Output: 5
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In the implementation of the log2() function, we first compute the natural logarithm of x using the Math.log() function and then divide it by the natural logarithm of 2 to get the base 2 logarithm.

This method can be used to find the logarithm of any base by simply replacing the argument of the second Math.log() call with the desired base.