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Lodash _.pull


The lodash _.pull method is a convenient tool for removing all instances of a given value from an array. This method works by iterating through an input array, checking each value to see if it matches a specified target value, and removing all matches as needed.

The _.pull method takes two parameters: the array to modify as the first parameter, and the value(s) to remove from the array as one or more additional parameters. This method modifies the input array in place and returns the modified array for convenience.

Here is an example of using _.pull to remove all instances of a value from an array:

const array = ['apple', 'banana', 'cherry', 'banana', 'date'];
_.pull(array, 'banana');
console.log(array); // Output: ['apple', 'cherry', 'date']

In this example, _.pull is used to remove all instances of the string 'banana' from the array variable. The resulting array only contains the values ['apple', 'cherry', 'date'].

The _.pull method also supports removing multiple values at once:

const array = ['apple', 'banana', 'cherry', 'banana', 'date'];
_.pull(array, 'banana', 'cherry');
console.log(array); // Output: ['apple', 'date']

In this example, both the string values 'banana' and 'cherry' are removed from the array variable with a single call to _.pull.

It is important to note that _.pull removes all instances of the specified value(s) from the array. If you only want to remove the first instance of a value, you can use the _.remove method instead.

Overall, the lodash _.pull method is a useful tool for modifying arrays by removing specific values efficiently and conveniently.