Underscore.js _.partial() Function
Last Updated :
24 Nov, 2021
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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