HTML，将iframe src设置为一个javascript变量 [英] HTML, set iframe src as a javascript variable
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问题描述
我想在另一个网页的网页上显示一个窗口，希望通过iframe。我需要将src设置为一个JavaScript变量，下面是代码：
< html>
< head>< title>我的网页< / title>< / head>
< SCRIPT language = JavaScript type = text / javascript>
函数GoToURL（j）{
var URLis = document.URLframe.Dest.value
document.write（< center>< iframe src = \http：// www .example.com \/ width = 1350 height = 500 seamless>< / center>）;
}
< / SCRIPT>
< FORM name = URLframe>
< TABLE align = center border = 0>
< TBODY>
< TR>
< TD vAlign = center align = middle>< BR>< INPUT maxLength = 50 size = 50
name = Dest>< / TD>< / TR>
< TR>
< TD align = middle>
< P>< INPUT onclick = GoToURL（this）type = button value =Go to ..name =Go to>< / P>< / TD>< / TR> ;< / TBODY>< /表>< / FORM>
< / html>
我需要将iframe src设置为变量URLis，我在html和javascript中都有些新鲜感，所以请尽量简单。对于将iframe src设置为URLis变量的方式，您有任何建议或想法吗？
谢谢。
解决方案
试试这个：
var URLis = document.URLframe.Dest.value;
document.write（'< center>< iframe src =''+ URLis +'width = 1350 height = 500 seamless>< / center>'）;
I would like to display a window in my webpage of another webpage, hopefully via iframe. I need to set the src as a javascript variable, here is the code:
<html>
<head><title>my webpage</title></head>
<SCRIPT language=JavaScript type=text/javascript>
function GoToURL(j) {
var URLis = document.URLframe.Dest.value
document.write("<center><iframe src=\"http://www.example.com\"/ width=1350 height=500 seamless></center>");
}
</SCRIPT>
<FORM name=URLframe>
<TABLE align=center border=0>
<TBODY>
<TR>
<TD vAlign=center align=middle><BR><INPUT maxLength=50 size=50
name=Dest></TD></TR>
<TR>
<TD align=middle>
<P><INPUT onclick=GoToURL(this) type=button value=" Go to.. " name="Go to"></P></TD></TR></TBODY></TABLE></FORM>
</html>
I need to set the iframe src to the variable URLis, simply put. I am somewhat of a newb in both html and javascript, so please keep as simple as possible. Do you have any suggestions or ideas for a way to set the iframe src as URLis variable?
Thank you.
解决方案
Try this:
var URLis = document.URLframe.Dest.value;
document.write('<center><iframe src="' + URLis + '" width=1350 height=500 seamless></center>');
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