The time.range() function is used to set the range of the scale to the specified array of values. The array given contains two or more elements.
Syntax:
time.range([range]);
Parameters: This function accepts single parameter as mentioned above and described below:
- range: This parameter accepts an array of numbers or strings.
Return Values: This function does not return anything.
Below examples illustrate the time.range() function in D3.js:
Example 1:
<!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>
<script src=
"https://d3js.org/d3-color.v1.min.js">
</script>
<script src=
"https://d3js.org/d3-interpolate.v1.min.js">
</script>
<script src=
"https://d3js.org/d3-scale-chromatic.v1.min.js">
</script>
</head>
<body>
<h2 style="color:green;">
Geeksforgeeks
</h2>
<p>time.range() Function </p>
<script>
// Setting domain for the scale.
// Setting the range of the scale.
var time = d3.scaleTime()
.domain([1, 100])
.range([1, 10]);
document.write("<h3>time(10): "
+time(10)+"</h3>");
document.write("<h3>time(20): "
+time(20)+"</h3>");
document.write("<h3>time(30): "
+time(30)+"</h3>");
document.write("<h3>time(40): "
+time(40)+"</h3>");
</script>
</body>
</html>
Output:
Example 2: The following example demonstrates the above function when the range is of type string.
<!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>
<script src=
"https://d3js.org/d3-color.v1.min.js">
</script>
<script src=
"https://d3js.org/d3-interpolate.v1.min.js">
</script>
<script src=
"https://d3js.org/d3-scale-chromatic.v1.min.js">
</script>
</head>
<style>
</style>
<body>
<h2 style="color: green;">
Geeksforgeeks
</h2>
<p>time.range() Function </p>
<script>
// Setting domain for the scale.
// Setting the range of the scale.
var time = d3.scaleTime()
.domain([1, 10])
.range(["red", "green"]);
document.write("<h3>time(1.5): "
+time(1.5)+"</h3>");
document.write("<h3>time(2): "
+time(2)+"</h3>");
document.write("<h3>time(3.5): "
+time(3.5)+"</h3>");
document.write("<h3>time(4.5): "
+time(4.5)+"</h3>");
</script>
</body>
</html>
Output:
