


If you add contenteditable="true" to BODY, you can see how magical this attribute is. Therefore, we can set the contenteditable="true" attribute to the HTML tag and the tag can be edited.
The contenteditable attribute is compatible with all browsers (the compatibility of versions prior to IE6 has not been tested)
In some cases, we can use DIV to replace input or textarea to achieve the same effect. For example, when using ajax, we can get the content of the DIV when submitting the form.
Careful people will find that the text box for posting comments in QQ space is actually a DIV, not a textarea text box.
How Div CSS simulates textarea text area height adaptability to meet the HTML5 standard contenteditable attribute
This effect is mainly achieved by adding the contenteditable attribute in HTML5 to the tag (contenteditable: specifies whether users are allowed to edit content). What’s great is that IE also supports this attribute, so you don’t have to worry too much about compatibility issues.
DEMO:
Under the FF browser, when the container gets focus, the height of the cursor will be the same as the height of the container or the cursor will not be displayed. At this time, if a placeholder is added to the container by default, such as
or can solve this problem.
Now Yuzi will introduce to you another good method that is editable and can automatically adapt to the height without adding js code. Let everyone open their eyes. Yuzi can use DIV directly as a text box, similar to the TextArea text box. More importantly, the user experience of DIV is more perfect and handsome.
After setting the contentEditable="true" attribute, isn't it quite magical? Haha...
DEMO page:
http://demo.jb51.net/js/2014/ContentEditable/

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