How to set Iframe height by JavaScript

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Sometimes you may need to embed Iframe in a web page, and the control of Iframe can not be fixed, so you can automatically set the height according to the content in Iframe. Add an onload event to the Iframe tag of HTML, which calculates the setting height when the Iframe page is loaded.

Function SetIFrameHeight (iFrameId) {

If (iFrameId = "") {return;}

Var Sys = {}

Var ua = navigator.userAgent.toLowerCase ()

Var s

(s = ua.match (/ msie ([\ d.] +) /)? Sys.ie = s [1]: 0

Var pTar = null

If (document.getElementById) {

PTar = document.getElementById (iFrameId)

} else {

Eval ('pTar=' + iFrameId +';')

}

PTar.style.display = "block"

If (Sys.ie) {

If (Sys.ie = = '9.0') {

PTar.height = pTar.contentWindow.document.body.offsetHeight + 15 + "px"

PTar.width = pTar.contentWindow.document.body.scrollWidth + "px"

} else if (Sys.ie = = '8.0') {

PTar.height = pTar.Document.body.offsetHeight + 25 + "px"

PTar.width = pTar.Document.body.scrollWidth + "px"

} else {

PTar.height = pTar.Document.body.scrollHeight + 25 + "px"

PTar.width = pTar.Document.body.scrollWidth + "px"

}

}

}

The parameter is the id input of the Iframe, and it is no problem to pass the IE8 test temporarily.

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