To use a keyboard shortcut, hold down one or more modifier keys while pressing the last key of the shortcut. For example, to use the shortcut Command-C (copy), hold down Command, press C, then release both keys. Mac menus and keyboards often use symbols for certain keys, including the modifier keys: 1  Command â.
The syntax of the JavaScript for â¦ in loop is as follows: 1  Iterates through all enumerable properties of an object. 2  Iterates through all used indices of array including all user-defined properties of array object, if any. 3  Thus it may be better to use a traditional for loop with a numeric index when iterating over arrays.
Associative PHP arrays are output as object literals. The following demonstrates how to access elements in the multi-dimensional numerically indexed array: When you output a PHP array into JavaScript you can see the result using the browser View Source menu command.This is displayed above in the commented-out line: Notice that the json_encode output includes no white space. You can include an optional JSON_PRETTY_PRINT parameter.ssociative PHP arrays are output as object literals. The following demonstrates how to access elements in the multi-dimensional numerically indexed array: When you output a PHP array into JavaScript you can see the result using the browser View Source menu command.