javascript基础--数组join
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script> var arr = [1, 2, 3, 4]; alert(arr.join('-')); // 数组变字符串 </script> </head> <body> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script> var arr = [1, 2, 3, 4]; alert(arr.join('-')); // 数组变字符串 </script> </head> <body> </body> </html>