WITH

WITH.js

function WITH(obj, parent) {
    return function W(k, v, a) {
        return (a = arguments.length) ?
            (a - 1 ? (obj[k] = v, W) : WITH(obj[k], W)) :
            parent || obj;
    }
}

document.body.appendChild(
    WITH(document.createElement('iframe'))
        ('scrolling', 'no')
        ('frameborder', 0)
        ('onload', function() { /* BLA */})
        ('src', '//bla.bla')
        ('style')
            ('position', 'absolute')
            ('left', 0)
            ('top', 0)
            ('overflow', 'none')
            ('width', '100%')
            ('height', '100px')
            ('marginTop', '-160px')
            ('border', 'none')
            ()
        ());