D3.js | d3.set.remove() function
Last Updated :
28 Jun, 2019
The set.remove() is a function in D3.js. If the given array contains the specified value then removes it and returns true. Otherwise, this function does nothing and returns false.
Syntax:
d3.set([Array]).remove(element);
Parameters: This function accepts two parameters which are illustrated below:
- Array: This is an given array of elements as string.
- element: This is the value which is going to be searched into the given array and removes it if present and returns true otherwise does nothing and returns false.
Return Value: It returns true if the given array contains the specified value Otherwise, returns false.
Note: It does not hold the updated array.
Below programs illustrate the d3.set.remove() function in D3.js.
Example 1:
<!DOCTYPE html>
<html>
<head>
<title> d3.set.remove() Function</title>
</head>
<body>
<script>
Array1 = [ "a" , "a" , "b" , "c" ];
Array2 = [ "c" , "c" , "c" ];
Array3 = [ "Geeks" , "gfg" , "GeeksforGeeks" ];
A = d3.set(Array1).remove( "a" );
B = d3.set(Array2).remove( "a" );
C = d3.set(Array3).remove( "Geeks" );
console.log(A);
console.log(B);
console.log(C);
</script>
</body>
|
Output:
true
false
true
Example 2:
<!DOCTYPE html>
<html>
<head>
<title> d3.set.remove() Function</title>
</head>
<body>
<script>
A = d3.set([1, 2, 3, 3]).remove(4);
B = d3.set([ "a" ]).remove( "a" );
C = d3.set([ "a" , "b" , "c" , "a" , "b" , "c" ]).remove( "d" );
console.log(A);
console.log(B);
console.log(C);
</script>
</body>
|
Output:
false
true
false
Ref: https://devdocs.io/d3~5/d3-collection#set_remove
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