Lodash _.fix() Method
The Lodash _.fix() method fixes the arguments to a function based on the parameter template defined by the presence of values and the _ placeholder.
The function takes a parameter that is replaced by _ in given values.
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Syntax:
_.fix( fun, [values] )
Parameters: This method takes a single parameter as listed above and discussed below.
- fun: This parameter holds the given function.
- values: The values passed to the fun.
Return Value: It returns a new function.
Note: To execute the below examples, you have to install the lodash-contrib library by using this command prompt and execute the following command.
npm install lodash-contrib
Example 1:
Javascript
// Defining lodash contrib variablevar _ = require('lodash-contrib'); // Functionfunction mul(a, b, c, d){ return a*b*c*d;} // Making curried functionvar gfgFunc = _.fix(mul, 1, 2, 3, _); // 8 is replaced by _ in given valuesconsole.log("Multiplication is :", gfgFunc(8)); |
Output:
Multiplication is : 48
Example 2:
Javascript
// Defining lodash contrib variablevar _ = require('lodash-contrib'); // Functionfunction add(a, b, c){ return a + b + c;} // Making fixed functionvar gfgFunc = _.fix(add, 1, 2, _); console.log("Addition is :", gfgFunc(10)); |
Output:
Addition is : 13
Example 3:
Javascript
// Defining lodash contrib variablevar _ = require('lodash-contrib'); // Functionfunction fun(str){ return str;} // Making fixed functionvar gfgFunc = _.fix(fun, _); console.log("Coding Platform :", gfgFunc("GeeksforGeeks")); |
Output:
Coding Platform : GeeksforGeeks
