Underscore.js _.partial() Function
The _.partial() function is used to apply partially a function by filling in any number of its arguments, without changing its dynamic value.
Syntax:
_.partial(function, *arguments)
Parameters: This function accept two parameters as mentioned above and described below:
- function: The function that need to be executed.
- arguments: This parameter needs to add some symbols between elements.
Return Value: This function returns the result of partially executed function.
Below examples illustrate the _.partial() Function in Underscore.js:
Example 1:
<!DOCTYPE html><html> <head> <script type="text/javascript" src= </script></head> <body> <script type="text/javascript"> var product = function (num1, num2) { return num1 * num2; }; prod = _.partial(product, 15); console.log(prod(18)); </script></body> </html> |
Output:
Example 2:
<!DOCTYPE html><html> <head> <script type="text/javascript" src= </script></head> <body> <script type="text/javascript"> var sum = function (num1, num2, num3) { return num1 + num2 + num3; }; sum = _.partial(sum, 15, 25); console.log(sum(18)); </script></body> </html> |
Output:
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