摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <script> console.log(Math.abs(-100)) // 100 #绝对值 console.log(Math.ce 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <script> // 获取当前日期对象 var date = new Date() console.log(date) // Sat 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title>、 <script> // 方法1 var obj = new Object(); obj.name = "huchangxi" obj. 阅读全文