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//console.dir(window.document.head)
//console.dir(window.document.body)
console.dir(window.document.head.meta)console.dir(window)
console.log("-----document.querySelector('div.content-body')---------");
console.log(document.querySelector('.content-body'));
console.log("-----$('p',document)---------");
console.log($('p',document));
console.log("-----$('script', document)---------");
console.log($('script', document));
console.log("--------------");
console.log($('meta', document));
console.log("--------------");
console.log($('img', document));
console.log("--------------");
console.log($('img', document.body));
console.log("--------------");
var images = $$('img');
var cnt = 1
for (each in images) {
    console.log("img count" + cnt++);
    console.log(images[each].src);
}
console.log("--------------");
console.log("--------------");
console.log($x('//img'));
console.log("--------------");
console.log(document.querySelectorAll('img',documen