摘要:
<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> <style> label{display: block; margin: 20px;} #box{width: 260px; height: 50px; bord 阅读全文
摘要:
<!DOCTYPE html><html> <head> <meta charset="utf-8" /> <title></title> <script> window.onload=function() {// 打印100以内所有偶数和 var j=0; for(var i = 1; i <= 阅读全文
摘要:
<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> <script> //将document.getElementById();用$代替 减小代码的重复率; function $ (id) { return docu 阅读全文