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Which one of the following will add prefix automatically?

(a) Gulp

(b) PostCSS

(c) Selectivizr

(d) MooTools

I had been asked this question in a national level competition.

My question comes from Search Engine Optimization & Old Browser vs New Elements topic in section Flash Videos, HTML5 Layout & Practical Information of HTML

1 Answer

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The correct option is (b) PostCSS

Explanation: We can add prefixes automatically during the time of development. This can be done using tools like PostCSS and Autoprefixer. Autoprefixer has an online version that allows to enter non-prefixed CSS on left, and gives prefix-added version on the right. Gulp is an open source kit for js i.e. JavaScript. A javascript utility that emulates CSS3 pseudoclasses and attribute selectors are called selectivizr. Moo Tool is a javascript framework which is object oriented.

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