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xhlwill/ppi.js

Last active April 28, 2017 07:49
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calculate the PPI of screen
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ppi.js
const ppi = function(height, width, inch) {
return Math.round(Math.sqrt(height*height + width*width) / inch);
}
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xhlwill commented Nov 13, 2016 •
edited
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iPhone 4/4s: 330
iPhone 5/5s/se: 326
iPhone 6/6s/7: 326
iPhone 6 plus/6s plus/7 plus: 401

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