node.js - Why is 0 less than Number.MIN_VALUE in JavaScript? -

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Node.js का उपयोग कर, मैं अभिव्यक्ति का मूल्यांकन कर रहा हूं: 

  0 & lt; संख्या। MIN_VALUE

मेरे आश्चर्य करने के लिए, यह सत्य देता है। ऐसा क्यों है? और: मैं सबसे छोटी संख्या कैसे प्राप्त कर सकता हूं जिसके लिए अपेक्षा अपेक्षा के अनुरूप काम करती है?

संख्या। MIN_VALUE है 5e-324 , अर्थात् न्यूनतम सकारात्मक संख्या जो कि फ्लोट परिशुद्धता के भीतर प्रदर्शित की जा सकती है, अर्थात यह जितना करीब हो सकता है जितना आप शून्य पर प्राप्त कर सकते हैं। यह परिभाषित करता है कि सबसे अच्छा रिज़ॉल्यूशन आपको देता है।

अब सबसे छोटा मूल्य संख्या.NEGATIVE_INFINITY है, हालांकि यह सख्त अर्थों में वास्तव में संख्यात्मक नहीं है।


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