Question

I m having some trouble with this script. It is suposed to add html tags to a selected text region in a text box. While live viewing in dreamweaver it works just fine. Exactly how it s suposed to. In browser it does nothing.

任何想法?

该职能称为onclick=“formatText(content, b)”。

function formatText(el, tag) {
    var selectedText = document.selection ? document.selection.createRange().text
            : el.value.substring(el.selectionStart, el.selectionEnd);
    alert(selectedText);
    if (selectedText !=   ) {
        var newText =  <  + tag +  >  + selectedText +  </  + tag +  > ;
        el.value = el.value.replace(selectedText, newText);
        document.getElementById(el).focus();
    } else {
        if (document.getElementById(tag).value == "0") {
            document.getElementById(tag).value = "1";
            document.getElementById(el).value = document.getElementById(el).value
                    + "<" + tag + ">";
            document.getElementById(el).focus();
        } else {
            document.getElementById(tag).value = "0";
            document.getElementById(el).value = document.getElementById(el).value
                    + "</" + tag + ">";
            document.getElementById(el).focus();
        }
    }
}

Answer 1

某些人可能想看是否使用 j子,它已经建立了功能,以完成你想要做的大多数事情。它值得你们的时间学习。 (见)

既然如此,我就编辑了你的法典。你们需要将“速记”活动改为“自毁”,因为“浮标”将消除你选定的案文重点,而你的方法也赢得了一定的工作。我不敢肯定你本应做的其他发言,因此我只字不提最新情况。希望这将有助于一些人。

乘客。

<script type="text/javascript">

function formatText( el , tag )
{
    var selectedText = "" + document.getSelection();

    if ( selectedText.length > 0 )
    {
        var textWithTag = "&lt;" + tag + "&gt;" + selectedText + "&lt;/" + tag + "&gt;";
        el.innerHTML = el.innerHTML.replace( selectedText , textWithTag );
    }
}

</script>

<div id="test">Something</div>
<div onmousedown= formatText( document.getElementById("test") , "span style="color:red"" ); >Click</div>

友情链接