utilise/attr.js

Lean JavaScript Utilities as Micro-libraries

var is = require('./is')

module.exports = function attr(name, value) {
  var args = arguments.length
  
  return !is.str(name) && args == 2 ? attr(arguments[1]).call(this, arguments[0])
       : !is.str(name) && args == 3 ? attr(arguments[1], arguments[2]).call(this, arguments[0])
       :  function(el){
            var ctx = this || {}
            el = ctx.nodeName || is.fn(ctx.node) ? ctx : el
            el = el.node ? el.node() : el
            el = el.host || el

            return args > 1 && value === false ? el.removeAttribute(name)
                 : args > 1                    ? (el.setAttribute(name, value), value)
                 : el.attributes.getNamedItem(name) 
                && el.attributes.getNamedItem(name).value
          } 
}