javascript基础--字符串变数组
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script> var str = "12-4-5-22"; var arr = str.split('-'); //字符串转换成数组 alert(arr[0]); </script> </head> <body> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script> var str = "12-4-5-22"; var arr = str.split('-'); //字符串转换成数组 alert(arr[0]); </script> </head> <body> </body> </html>