| Function signature | |
|---|---|
st.text_area(label, value="", height=None, max_chars=None, key=None, help=None, on_change=None, args=None, kwargs=None, *, placeholder=None, disabled=False) | |
| Parameters | |
label (str) | A short label explaining to the user what this input is for. |
value (any) | The text value of this widget when it first renders. This will be cast to str internally. |
height (int or None) | Desired height of the UI element expressed in pixels. If None, a default height is used. |
max_chars (int or None) | Maximum number of characters allowed in text area. |
key (str or int) | An optional string or integer to use as the unique key for the widget. If this is omitted, a key will be generated for the widget based on its content. Multiple widgets of the same type may not share the same key. |
help (str) | An optional tooltip that gets displayed next to the textarea. |
on_change (callable) | An optional callback invoked when this text_area's value changes. |
args (tuple) | An optional tuple of args to pass to the callback. |
kwargs (dict) | An optional dict of kwargs to pass to the callback. |
placeholder (str or None) | An optional string displayed when the text area is empty. If None, no text is displayed. This argument can only be supplied by keyword. |
disabled (bool) | An optional boolean, which disables the text area if set to True. The default is False. This argument can only be supplied by keyword. |
| Returns | |
(str) | The current value of the text input widget. |
Example
txt = st.text_area('Text to analyze', '''
It was the best of times, it was the worst of times, it was
the age of wisdom, it was the age of foolishness, it was
the epoch of belief, it was the epoch of incredulity, it
was the season of Light, it was the season of Darkness, it
was the spring of hope, it was the winter of despair, (...)
''')
st.write('Sentiment:', run_sentiment_analysis(txt))