Property:
measureText:
'Hello World'
'How are you?'
'It is a great day!'
Canvas:
your browser does not support the canvas tag
Code:
var c = document.getElementById('myCanvas');
var ctx = c.getContext('2d');
ctx.font = '30px Arial';
var m = ctx.measureText(
'Hello World')
;
ctx.fillText(m.width, 10, 30);
Click the property values above to see the result
W3Schools.com
- Play it