Underscore.js is a javascript library that is capable enough to handle arrays, strings, objects, map, set very easily and efficiently. The _.isDate() function in underscore.js is used to tell if the given object is a date object or not.
Syntax:
_.isDate(object);
Parameters: It takes only one parameter i.e the object.
Return: This function returns a boolean value. The value is true is the object is date object else it is false.
Note: Please Link the underscore CDN before using this code directly in the browser through the code.
Example 1:
<!DOCTYPE html> <html> <head> <script src = </script> </head> <body> <script> let date=new Date() let str="9/9/9"; console.log(_.isDate(date)); console.log(_.isDate(str)); </script> </body> </html> |
Output:
Example 2:
<!DOCTYPE html> <html> <head> <script src = </script> </head> <body> <script> let date1=new Date(); let date2="09-jan-1888" let boolDate1=_.isDate(date1); let boolDate2=_.isDate(date2); if(boolDate1) console.log( `_.isDate function returns ${boolDate1} \n date is: ${date1}`) else console.log( `_.isDate function returns ${boolDate1} \n ${data1} is not a date object`) if(boolDate2) console.log( `_.isDate function returns ${boolDate2} \n date is ${date2}`) else console.log( `_.isDate function returns ${boolDate2} \n ${date2} is not a date object`) </script> </body> </html> |
Output:
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