# How to set the text overline of Text using FabricJS?

FabricJSJavascriptHTML5 Canvas

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In this tutorial, we are going to learn how to set the text overline of Text using FabricJS. We can display text on canvas by adding an instance of fabric.Text. Not only does it allow us to move, scale and change the dimensions of the text but it also provides additional functionality like text alignment, text decoration, line height which can be obtained by the properties textAlign, underline and lineHeight respectively. Similarly we can also set the text overline by using the overline property.

## Syntax

new fabric.Text(text: String , { overline : Boolean }: Object)


## Parameters

• text − This parameter accepts a String which is the text string that we want to display.

• options (optional) − This parameter is an Object which provides additional customizations to our text. Using this parameter colour, cursor, border width and a lot of other properties can be changed related to the object of which overline is a property.

## Options Keys

• overline − This property accepts a Boolean value which allows us to control the text overline.

## Example 1

Default appearance of the Text object

Let’s see a code example to see how our text object looks when the overline property is not used. In this case, our text object will not contain text decoration overline.

<!DOCTYPE html>
<html>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
<body>
<h2>Default appearance of the Text object</h2>
<p>You can see that the text does not contain text decoration overline</p>
<canvas id="canvas"></canvas>

<script>
// Initiate a canvas instance
var canvas = new fabric.Canvas("canvas");
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);

// Initiate a text object
var text = new fabric.Text("Add sample text here.", {
width: 300,
left: 60,
top: 70,
fill: "green",
});

// Add it to the canvas
</script>
</body>
</html>


## Example 2

Passing the overline property as key with a value

In this example, we will see how assigning a value to the overline property creates text decoration overline. Since we have passed the value as true, the text will now be overlined.

<!DOCTYPE html>
<html>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
<body>
<h2>Default appearance of the Text object</h2>
<p>You can see that the text contains text decoration overline</p>
<canvas id="canvas"></canvas>

<script>
// Initiate a canvas instance
var canvas = new fabric.Canvas("canvas");
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);

// Initiate a text object
var text = new fabric.Text("Add sample text here.", {
width: 300,
left: 60,
top: 70,
fill: "green",
overline: true,
});

// Add it to the canvas