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编辑当前文件:/home/digitalh/public_html/node_modules/autoprefixer/lib/hacks/placeholder.js
let Selector = require('../selector') class Placeholder extends Selector { /** * Add old mozilla to possible prefixes */ possible() { return super.possible().concat(['-moz- old', '-ms- old']) } /** * Return different selectors depend on prefix */ prefixed(prefix) { if (prefix === '-webkit-') { return '::-webkit-input-placeholder' } if (prefix === '-ms-') { return '::-ms-input-placeholder' } if (prefix === '-ms- old') { return ':-ms-input-placeholder' } if (prefix === '-moz- old') { return ':-moz-placeholder' } return `::${prefix}placeholder` } } Placeholder.names = ['::placeholder'] module.exports = Placeholder
