why this jquery code doesn't work if i add class to <P>

It works

var tip = "<p>Most computers will open PDF documents automatically, but you may need to download <a title='Link to Adobe website-opens in a new window'";
tip +=" href='http://www.adobe.com/products/acrobat/readstep2.html' target='_blank'>Adobe Reader</a>.</p>";


if($("div#maincontent a[href*='.pdf']").length>0){
    $("div#maincontent").children(":last-child").after(tip);

but it not

var tip = "<p class="adobe-reader-download">Most computers will open PDF documents automatically, but you may need to download <a title='Link to Adobe website-opens in a new window'";
tip +=" href='http://www.adobe.com/products/acrobat/readstep2.html' target='_blank'>Adobe Reader</a>.</p>";


if($("div#maincontent a[href*='.pdf']").length>0){
    $("div#maincontent").children(":last-child").after(tip);

You are using double quotes here at where it says adobe-reader-download

var tip = "<p class="adobe-reader-download">

Try this:

var tip = "<p class="adobe-reader-download">

Note: If you use single quotes for your entire string, you won't need to escape double quotes.

链接地址: http://www.djcxy.com/p/88842.html

上一篇: 对齐在colgroup中不起作用?

下一篇: 为什么这个jQuery代码不工作,如果我添加类到<P>