JavaScript में किसी ऑब्जेक्ट से प्रॉपर्टी हटाने के लिए delete प्रॉपर्टी का उपयोग करें। delete ऑपरेटर से काम करने का तरीका जानने के लिए निम्न कोड चलाएं। यहां हम बुक की कीमत हटा रहे हैं:
उदाहरण
<html> <head> <title>JavaScript Delete Operator</title> <script> function book(title, author) { this.title = title; this.author = author; } </script> </head> <body> <script> var myBook = new book("WordPress Development", "Amit"); book.prototype.price = null; myBook.price = 500; document.write("<h2>Details before deleting book price</h2>"); document.write("Book title is : " + myBook.title + "<br>"); document.write("Book author is : " + myBook.author + "<br>"); document.write("Book price is : " + myBook.price); delete myBook.price; document.write("<br><h2>Details after deleting book price</h2>"); document.write("Book title is : " + myBook.title + "<br>"); document.write("Book author is : " + myBook.author + "<br>"); document.write("Book price is : " + myBook.price + "<br>"); </script> </body> </html>
