The _.keys() function is used to return the list of all keys of the given object.
Syntax:
_.keys( object )
Parameters: This function accept a single parameter as mentioned above and described below:
- object: It contains the object elements.
Return Value: This function returns the list of all key of the given object.
Below examples illustrate the _.Keys() function in Underscore.js
Example 1:
<!DOCTYPE html> <html> <head> <script type="text/javascript" src= </script> </head> <body> <script type="text/javascript"> var obj = { Company: "neveropen", Address: "Noida", Contact: "+91 9876543210", Email: "abc@gfg.com" } console.log(_.keys(obj)); </script> </body> </html> |
Output:
Example 2:
<!DOCTYPE html> <html> <head> <script type="text/javascript" src= </script> </head> <body> <script type="text/javascript"> var key = _.keys({ Name: "Ashok", Address: "Noida", Mobile: "+91 9876543210", Email: "neveropen@gmail.com" }); console.log(key); </script> </body> </html> |
Output:
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