| 123456789101112131415161718192021222324252627282930313233 | 'use strict';var MAX_ITER = 1075; // 1023+52 (subnormals) => BIAS+NUM_SIGNFICAND_BITS-1var maxBits = 54; // only 53 bits for fractionmodule.exports = function fractionToBitString(x) {	var str = '';	if (x === 0) {		return str;	}	var j = MAX_ITER;	var y;	// Each time we multiply by 2 and find a ones digit, add a '1'; otherwise, add a '0'..	for (var i = 0; i < MAX_ITER; i += 1) {		y = x * 2;		if (y >= 1) {			x = y - 1; // eslint-disable-line no-param-reassign			str += '1';			if (j === MAX_ITER) {				j = i; // first 1			}		} else {			x = y; // eslint-disable-line no-param-reassign			str += '0';		}		// Stop when we have no more decimals to process or in the event we found a fraction which cannot be represented in a finite number of bits...		if (y === 1 || i - j > maxBits) {			return str;		}	}	return str;};
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