Placeholder
Release 3.0.0 and above, Release 2.18.0 and above.
A plugin that allows you to set HTML to be displayed when there is no content in the editor.
When there is content in the editor, it is not displayed.

How to Use
Loading Plugin Files
<!-- The SynapEditor object must exist for this to take effect,
so include after the editor script files. -->
<script src="url of placeholder.min.js"></script>
Configure the Plugin
Set HTML to be Displayed When the Editor Has No Content
// synapeditor.config.js
//...
'placeholder.config': {
'html': '<p>Hello Editor!!</p>' // Set HTML as a string
}
// ...

Opacity Setting
Sets the opacity so that the HTML set in Placeholder can be displayed clearly or dimly.
You can set values from 0 to 1. The default value is 0.3.
// synapeditor.config.js
//...
'placeholder.config': {
'html': '<p>Hello Editor!!</p>',
'opacity': 0.3 // Opacity to set on the placeholder (set a value from 0 to 1)
}
// ...
<table>
<thead>
<tr><th><code>opacity: 0</code></th><th><code>opacity</code> default (0.3)</th></tr>
</thead>
<tbody>
<tr>
<td>



