set strJoined to lstText as text set my text item delimiters to dlm If an undeclared variable name is detected when the 'use strict' statement has been added, we are given a helpful warning: When we do this, JavaScript checks that all of our variables are declared (and therefore 'local' – visible only to their containing functions, and also temporary – vanishing when the evaluation of a function is completed). To use a less liberal but more helpful set of JavaScript rules, we can add the line 'use strict' Īt the start of a function. Misspelled variable names, and accidental uses of the same globally visible name in different parts of a script are rich sources of puzzling bugs and wasted time. JavaScript gives us a lot of freedom, sometimes more than is helpful. But I have not made a successful attempt yet. I did some search and saw AppleScript can do XML search. Messy and complex JXA – persistent global names Oh, you can parse the whole Keyboard Maestro macro list by getting it with AppleScript and then using KM’s regular expressions to search. Good and simple JXA – temporary local names Keyboard Maestro’s Execute a JavaScript in Safari and Execute a JavaScript in Google Chrome actions are for interacting with web pages, the Execute a JavaScript in Custom Prompt action is for interacting with Custom HTML Prompts, whereas JXA is for automating OS X and OS X Applications via the Execute a JavaScript For Automation action. Later on, you may find it interesting to scan this output list for useful functions, but for the moment, it's enough to simply notice that the JXA JavaScript environment is very different from the set of web page (window and document) references that you find in the Browser JavaScript environments of Chrome and Safari. We can either run this directly from from one of Keyboard Maestro's 'Execute a JavaScript for Automation' actions, or use an osascript command in an Execute Shell Script action. The result will be a listing of all the pre-defined names in JXA's osascript environment. You can view the built-in, default function provided by JXA by running this simple, one-word script: ![]() ![]() With additional access to a lot of low-level Apple system functions through the Objective-C object.
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