javascript - Make input extend automatically?

Question

I would like to ask you to assume that when the text is less than one line at the beginning, it will be an input-sized field, but when it jumps to the second line, the input height will automatically change? Just like when writing a title in WordPress, if the text exceeds the input range, it will automatically extend downwards? Screen Shot 2017-06-10 a...

phpcn_u1582 · Answer

In this case, textarea is usually used, but if you have to use input, you have to use js to calculate the height, and then set the height of the input. It seems a bit troublesome to calculate

ringa_lee · Answer

Then use textarea