1:性能 stackflow:http://stackoverflow.com/questions/1910794/what-is-the-difference-between-jquery-text-and-html demo:http://jsfiddle.net/PhJNX/ jQuery's .html() is ~2x faster than .text(). pure JS' .innerHTML is ~3x faster than .html(). pure JS' .nodeV
1.盒子模型典型标签 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"