JS：iframe 自动适应内容高度

iframe_auto.js

function reinitIframe() {
    var iframe = document.getElementById("main_iframe");
    try {
        var bHeight = iframe.contentWindow.document.body.scrollHeight;

        var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;

        var height = Math.max(bHeight, dHeight);

        iframe.height = height;

    } catch (ex) {}

}
window.setInterval("reinitIframe()", 200);