Textarea segment spacing tagging

textarea how to let users wrap the code before carriage enter with a P element each time they press enter
or how to achieve segment spacing (not line spacing)
ask for advice

Php jquery javascript html textarea

Mar.03,2021

it is difficult to get the previous content and add the p tag, because there may already be a p tag before the p tag;
is to listen for the enter key and add

replace it with

the spaces in the string and enter

by adding

to the string and

the effect has been achieved by

can't you use rich text plug-ins

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