开发小技巧：jQuery处理自适应内容高度的iframe

$(document).ready(function()
{
// Set specific variable to represent all iframe tags.
var iFrames = document.getElementsByTagName('iframe');

// Resize heights.
function iResize()
{
// Iterate through all iframes in the page.
for (var i = 0, j = iFrames.length; i < j; i++)
{
// Set inline style to equal the body height of the iframed content.
iFrames[i].style.height = iFrames[i].contentWindow.document.body.offsetHeight + 'px';
......