html - Set data attribute as unique with jQuery -

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मैं अब तक काम कर रहा हूं यह है: 

  $ ("। PhotoWrapper img" ) .attr ("डेटा-वस्तु", "0");

मैं जो तत्व चुन रहा हूं उसे मान निर्दिष्ट करने में सक्षम हूं; मैं क्या नहीं कर सकता 2-500 छवियों के पास 2-500 का मान है दूसरी छवि में 2 का मूल्य होगा, तीसरे के पास 3 होगा, आदि।

कोई भी मदद काफी सराहना की जाएगी।

आप अपने प्रश्न को बहुत खराब परिभाषित कर सकते हैं।

मुझे लग रहा है कि आप सिर्फ डेटा-मद संख्या चाहते हैं जो ऊपर की ओर गिना जाता है, इसलिए केवल सभी के माध्यम से लूप और पाश का उपयोग करें वे छवियां जिन्हें आप डेटा-वस्तु को असाइन करना चाहते हैं। 

  var images = $ ("। PhotoWrapper img"); के लिए (var i = 0; i & lt; images.length; i ++) {$ (छवियाँ [i])। एट्र ('डेटा-वस्तु', आई); }

JSFiddle:


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