Javascript Date add days -

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  var तारीख = नया दिनांक (); Var date2 = नया दिनांक (); दिन के अंतराल = दस्तावेज़.getElementById ('अग्रिम दिवस')। मूल्य; date2.setDate (date.getDate () + daysinadvance); Console.log (तारीख 2 + तारीख + दिनविधि); शुक्र जनवरी 28 2022 18:13:43 GMT + 0000 (जीएमटी डेलाइट टाइम) सोम अप्रैल 28 2014 18:13:43 GMT + 0100 (जीएमटी मानक समय) 60

अगर मैं पास एक सीधा टाइप नंबर तो +60, यह ठीक काम करता है, लेकिन चर का उपयोग करके, मुझे 2022 में एक तारीख मिलती है। सभी मुझे पसंद है तिथि 2 वर्तमान तिथि + 60 दिन इसलिए मैं अपनी मान्यता अपडेट कर सकता हूं।

कोई भी मदद कृपया?

मान को पहले किसी संख्या में कनवर्ट करें, उदा। ऑपरेटर के साथ: 

  var daysinadvance = + document.getElementById ('एडवांसडेज़')। मूल्य; // ^ अनारी प्लस

अन्यथा दिनविधि एक स्ट्रिंग होगी और आप स्ट्रिंग कॉन्टैनेक्शन कर रहे हैं।


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