B4J Question [Server] Problem with ws.eval

dar2o3 · May 17, 2016

when ws.eval use to inject HTML code, I have a problem when I try the following

B4X:

ws.Eval("$('#expe').append("<span class=new badge>4</span>"), Array As Object() )

and I tried this but it does not work

B4X:

ws.Eval("$('#expe').append("<span class=new class=badge>4</span>"), Array As Object() )

when "class = one two three" has more than one property does not work properly.

any suggestions?

Erel · May 18, 2016

In which way doesn't it work? The code you posted will not compile. You need to escape quotes or use smart strings instead.

dar2o3 · May 18, 2016

thanks for answering

I use materializecss framework, this html code produces the following

B4X:

 <a href="#" class="collection-item">Unread<span class="new badge">4</span></a>

but this code in b4j produces the following

*1

B4X:

ws.Eval("$('#expe').append('<a href=# class=collection-item>Imbox<span class=new badge>12</span></a>')",Array As Object())

and this code gives this result

*2

B4X:

ws.Eval("$('#expe').append('<a href=# class=collection-item>Imbox<span class=new>12</span></a>')",Array As Object())

the difference in the two previous examples is in *1<span class=new badge> *2 <span class=new>

the same code does not work with single quotes.

B4X:

ws.Eval("$('#expe').append('<a href=# class='collection-item'>Inbox<span class='new badge'>4</span></a>')",Array As Object())

I understand it is a problem with the quotes, but not how to fix it.

I solved the problem by using.

B4X:

expe.SetHtml("<a href='#' class='collection-item'>Unread<span class='new badge'>4</span></a>")

but I continue to wonder how to do with ws.eval.

Erel · May 19, 2016

Use smart strings literal and you will be able to add whichever quotes you need.

https://www.b4x.com/android/forum/threads/b4x-smart-string-literal.50135/#content

dar2o3 · May 19, 2016

It's great, works great, thank you very much for your help.

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