<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <script type="text/javascript"> // 1.字符串切割 let arr=[1,3,5]; let a=arr.join("|"); console.log(a); let b=a.split("|"); console.log(b); // 2.判断是否以指定字符串开头 ES6 let str = "http://www.it666.com"; let w=str.startsWith("http"); console.log(w); // 3.判断是否以指定字符串结尾 ES6 let str1= "lnj.jpg"; let r=str1.endsWith("png"); console.log(r); // 4.字符串模板 ES6 let vv=`www.it666.com`; console.log(vv); let cc=`
`; console.log(cc); let name = "lnj"; let age = 34; let ff=`${name},${age}`; console.log(ff); </script> </body> </html>