javascript - Can the browser change references to tags? -


मेरे पास निम्न जावास्क्रिप्ट कोड है: 

  var bodyRef फ़ंक्शन init () {bodyRef = document.body}   
  init ()  फ़ंक्शन को  body.onload  पर लागू किया जाता है  
 क्या यह सुरक्षित है मेरे कोड के अन्य भागों में  bodyRef  चर का उपयोग करने के लिए, या  document.body      <
 
 
 ब्राउज़र के दस्तावेज के संदर्भ को बदलने के लिए स्वतंत्र है   
 नहीं, यह ' टी।  document.body  हमेशा वर्तमान फ्रेम के शरीर को इंगित करता है।  
 
 क्या मेरे कोड के अन्य भागों में bodyRef वेरिएबल का उपयोग करना सुरक्षित है   
 हाँ यह है। लेकिन सुनिश्चित करें कि आप  document.body     को कुछ असाइन न करें

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