textarea 自动撑开高度 var textAreaArr = document.querySelectorAll('.textarea'); for (var i = 0; i < textAreaArr.length; i++) { autoTextarea(textAreaArr[i]); } function autoTextarea(elem, extra, maxHeight) { extra = extra || 0; var isFirefox = !!document.ge
textarea自动高度 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <TITLE>textarea宽度.高度自动适应处理方法</TITLE> <meta http-equiv="Content-Type