javascript区域打印代码

/****************************************功能代码******************************/

(function(){

window.JPrint = {

    print: function () {

        var doc = document,

        win = window,

        container = doc.getElementById("container"),//这里就是你要打印的区域的id,也可以参数传过来，你们懂的:-)

        origDisplay = [],

        origParent = container.parentNode,

        body = doc.body,

        NONE = ‘none‘,

        childNodes = body.childNodes;

        each = function (arr, fn) {

            var i = 0,

                len = arr.length;

            for (; i < len; i++) {

                if (fn.call(arr[i], arr[i], i, arr) === false) {

                    return i;

                }

            }

        };

        each(childNodes, function (node, i) {

            if (node.nodeType === 1) {

                origDisplay[i] = node.style.display;

                node.style.display = NONE;

            }

        });

        body.appendChild(container);

        win.print();

        setTimeout(function () {

            origParent.appendChild(container);

            each(childNodes, function (node, i) {

                if (node.nodeType === 1) {

                    node.style.display = origDisplay[i];

                }

            });

        }, 1000);

    }

};

}());