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javascript Programming Glossary: fontsizesDetermine width of string in HTML5 canvas http://stackoverflow.com/questions/10099226/determine-width-of-string-in-html5-canvas `sort ` if you can't guarantee this e.g. user input. var fontSizes 72 36 28 14 12 10 5 2 text 'Measure me ' Default styles. ctx.textBaseline.. ctx.fillStyle 'blue' var textDimensions i 0 do ctx.font fontSizes i 'px Arial' textDimensions ctx.measureText text while textDimensions.width.. is the guts of the function. var textWidth function me fontSizes min max var index Math.floor min max 2 ctx.font fontSizes index..
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