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Canvas textBaseline Property

❮ Canvas Reference

Example

Draw a red line at y=100, then place each word at y=100 with different textBaseline values:

YourbrowserdoesnotsupporttheHTML5canvastag.

JavaScript:

const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");

//Draw a red line at y=100
ctx.strokeStyle = "red";
ctx.moveTo(5, 100);
ctx.lineTo(395, 100);
ctx.stroke();

ctx.font = "20px Arial"

//Place each word at y=100 with different textBaseline values
ctx.textBaseline = "top";
ctx.fillText("Top", 5, 100);
ctx.textBaseline = "bottom";
ctx.fillText("Bottom", 50, 100);
ctx.textBaseline = "middle";
ctx.fillText("Middle", 120, 100);
ctx.textBaseline = "alphabetic";
ctx.fillText("Alphabetic", 190, 100);
ctx.textBaseline = "hanging";
ctx.fillText("Hanging", 290, 100);
Try it Yourself »


Description

The textBaseline property sets or returns the text baseline used when drawing text.

Default value is alphabetic

Se the illustration below for the baselines supported by textBaseline:

textBaseline illustration

Se Also:

The font Property (Set text font and size)

The fillStyle Property (Set text color/gradient)

The textAlign Property (Set text alignment)

The fillText() Method (Draw the text)

The strokeText() Method (Draw the text)

Note

Both fillText() and strokeText() will use the textBaseline value when drawing text.


Syntax

context.textBaseline = "alphabetic|top|hanging|middle|ideographic|bottom"

Property Values

Values Description Play it
alphabetic The normal alphabetic baseline Play it »
top The top of the em square Play it »
hanging The hanging baseline Play it »
middle The middle of the em square Play it »
ideographic The ideographic baseline Play it »
bottom The bottom of the bounding box Play it »

Browser Support

The <canvas> element is an HTML5 standard (2014).

textBaseLine is supported in all modern browsers:

Chrome Edge Firefox Safari Opera IE
Yes Yes Yes Yes Yes 9-11

❮ Canvas Reference
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