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POJavascript Invalid Argument?
 

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  1. POJavascript Invalid Argument?
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    <p>I'm new to JavaScript so please bear with me. I'm working on a custom WYSIWYG editor (no I do not want to use an already made one so please don't suggest it).</p> <p>I'm having trouble getting it to work in Internet Explorer. It gives me an Invalid Arguement error on lines such as the following:</p> <pre><code>document.getElementById('editor').contentWindow.document.execCommand("styleWithCSS", false, "false"); </code></pre> <p>Here is the complete script:</p> <pre><code>function textstyle(a) { document.getElementById(a).style.visibility = 'visible'; document.getElementById('editor').contentWindow.focus(); } function option(a,b) { document.getElementById('editor').contentWindow.document.execCommand(a, false, b); document.getElementById('editor').contentWindow.focus(); } function button(a) { document.getElementById('editor').contentWindow.document.execCommand(a, false, null); document.getElementById('editor').contentWindow.focus(); } var colorSelection; function selectColor(selection) { colorSelection = selection; document.getElementById('colorSelector').style.left = 0 + document.getElementById(selection).offsetLeft + "px"; document.getElementById('colorSelector').style.top = 0 + document.getElementById(selection).offsetTop + document.getElementById(selection).offsetHeight + "px"; document.getElementById('colorSelector').style.visibility = 'visible'; return; } function changeColor(colorCode) { document.getElementById('editor').contentWindow.document.execCommand(colorSelection, false, colorCode); document.getElementById('colorSelector').style.visibility = 'hidden'; document.getElementById('editor').contentWindow.focus(); return; } function dismissmenu() { document.getElementById("colorSelector").style.visibility = 'hidden'; document.getElementById("fontlist").style.visibility = 'hidden'; document.getElementById("formatlist").style.visibility = 'hidden'; document.getElementById("sizelist").style.visibility = 'hidden'; } function Start() { document.getElementById('editor').contentWindow.document.designMode = "on"; document.getElementById('editor').contentWindow.document.execCommand("styleWithCSS", false, "false"); try { document.getElementById('editor').contentWindow.document.execCommand("undo", false, null); editormode = "true"; } catch (e) { editormode = "false"; } if (document.addEventListener) { document.addEventListener("mouseup", dismissmenu, true); document.getElementById("editor").contentWindow.document.addEventListener("mouseup", dismissmenu, true); document.addEventListener("keypress", dismissmenu, true); document.getElementById("editor").contentWindow.document.addEventListener("keypress", dismissmenu, true); } else if (document.attachEvent) { document.attachEvent("mouseup", dismissmenu, true); document.getElementById("editor").contentWindow.document.attachEvent("mouseup", dismissmenu, true); document.attachEvent("keypress", dismissmenu, true); document.getElementById("editor").contentWindow.document.attachEvent("keypress", dismissmenu, true); } } function switchEditorMode() { if (editormode == "true") { var replaceTagsByMode = function(html, editormode) { var tags = {}; for (var i=0, a=['b', 'i', 'u', 'strike', 'sub', 'sup']; i&lt;a.length; i++) { tags[['&lt;', a[i], '&gt;'].join('')] = ['[', a[i], ']'].join(''); tags[['&lt;/', a[i], '&gt;'].join('')] = ['[/', a[i], ']'].join(''); } for (var html_tag in tags) { if (tags.hasOwnProperty(html_tag)) { html = html.replace.apply( html, editormode ? [html_tag, tags[html_tag], 'g'] : [tags[html_tag], html_tag, 'g']); } } return html; }; var editor_body = document.getElementById('editor').contentWindow.document.body; editor_body.innerHTML = replaceTagsByMode(editor_body.innerHTML, editormode); editormode = "false"; } else { var replaceTagsByMode = function(html, editormode) { var tags = {}; for (var i=0, a=['b', 'i', 'u', 'strike', 'sub', 'sup']; i&lt;a.length; i++) { tags[['[', a[i], ']'].join('')] = ['&lt;', a[i], '&gt;'].join(''); tags[['[/', a[i], ']'].join('')] = ['&lt;/', a[i], '&gt;'].join(''); } for (var html_tag in tags) { if (tags.hasOwnProperty(html_tag)) { html = html.replace.apply( html, editormode ? [html_tag, tags[html_tag], 'g'] : [tags[html_tag], html_tag, 'g']); } } return html; }; var editor_body = document.getElementById('editor').contentWindow.document.body; editor_body.innerHTML = replaceTagsByMode(editor_body.innerHTML, editormode); editormode = "true"; } } </code></pre>
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    1. CO`please bare with me` I'm sorry but I don't think we're ready for that step just yet.
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