D3.js selection.property() Function

Last Updated: 23-08-2020

The selection.property() function is used to set or change the property and value of a particular element. The value of a particular property can be deleted by setting its value to null.

Syntax:

selection.property(name[, value]);

Parameters: This function accept two parameters as mentioned above and described below:

name: The name of the property to set.
value: The property value to be set.

Return Value: This function does not return any value.

Example 1:

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<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta name="viewport" path1tent=

"width=device-width, initial-scale=1.0">

<script src="https://d3js.org/d3.v4.min.js">

</script>

</head>

<body>

<div>

<input type="text">

</div>

<script>

// Sets value property of the the input tag

var input = d3.select("input")

.property("value", "some value from input");

var text = document.querySelector("input");

// Value from input

console.log(text.value);

</script>

</body>

</html>

Output:

Example 2:

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<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta name="viewport" path1tent=

"width=device-width, initial-scale=1.0">

<script src="https://d3js.org/d3.v4.min.js">

</script>

</head>

<body>

<div>

<input type="checkbox" class="checkbox"

name="" id="">checkbox<br>

<button>Click me</button>

</div>

<script>

function func() {

// Sets checked and value property

// of the the checkbox

var chk = d3.select(".checkbox").property(

"value", "some value from checkbox");

var chk = d3.select(".checkbox")

.property("checked", true);

var text = document.querySelector(".checkbox");

// Value from checkbox

console.log(text.value);

console.log(text.checked);

}

let btn = document.querySelector("button");

btn.addEventListener("click", func);

</script>

</body>

</html>

Output:

Before clicking the click me button:
After clicking the click me button:

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Article Tags :

JavaScript

Web Technologies

D3.js

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