Use the javascript sorting function to sort numbers.

Use the javascript sorting function to sort numbers.

This article mainly introduces the information related to the implementation of digital sorting by the javascript sorting function. The example is attached. For more information, see

Use the javascript sorting function to sort numbers.

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<Script> Function SortNumber (obj, func) // defines a general sorting function { // Parameter verification. If the first parameter is not an array or the second parameter is not a function, an exception is thrown. If (! (Obj instanceof Array) |! (Func instanceof Function )) { Var e = new Error (); // generate Error message E. number = 100000; // defines the error number E. message = "invalid parameter"; // error description Throw e; // throw an exception } For (n in obj) // start sorting { For (m in obj) { If (func (obj [n], obj [m]) // use the callback function for sorting. The rules are set by the user. { Var tmp = obj [n]; // create a temporary variable Obj [n] = obj [m]; // exchange data Obj [m] = tmp; } } } Return obj; // return the sorted Array } Function greatThan (arg1, arg2) // callback function, user-defined sorting rule { Return arg1 <arg2; } Try { Var numAry = new Array (, 9); // generates an Array Document. write ("<li> before sorting:" + numAry); // output the array before sorting. SortNumber (numAry, greatThan); // call the sorting Function Document. write ("<li> after sorting:" + numAry); // output the sorted Array } Catch (e) { Alert (e. number + ":" + e. message ); } </Script>

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