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Tips:Using JavaScript in Memento: Difference between revisions
Tips:Using JavaScript in Memento (view source)
Revision as of 00:55, 22 February 2017
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== Field tips == | == Field tips == | ||
Tips for calling field() for various field types. | Tips for calling ''field()'' for various field types. | ||
{{FieldTypeReturnValues}} | {{FieldTypeReturnValues}} | ||
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The Link to Entry field has its own structure, unique among the field types. | The Link to Entry field has its own structure, unique among the field types. | ||
==== Using field() to access the value of local and remote field values ==== | ==== Using ''field()'' to access the value of local and remote field values ==== | ||
: '''Argument''' | : '''Argument''' | ||
:# The name of the field whose value you want | :# The name of the field whose value you want | ||
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|} | |} | ||
<br/> | <br/> | ||
==== Using set() in a trigger to set the value of a local field ==== | ==== Using ''set()'' in a trigger to set the value of a local field ==== | ||
: '''Arguments''' | : '''Arguments''' | ||
:# Name of the field whose value is to be set | :# Name of the field whose value is to be set | ||
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You'll notice in this page that the code for JavaScript fields and that for triggers are very similar, but also that they different. Here's how they are different: | You'll notice in this page that the code for JavaScript fields and that for triggers are very similar, but also that they different. Here's how they are different: | ||
=== Context === | === Context === | ||
* Context is set for you in a JavaScript field, and that context is the current entry. So, if you call field(), that implicitly invokes the field() function on the current entry. | * Context is set for you in a JavaScript field, and that context is the current entry. So, if you call ''field()'', that implicitly invokes the ''field()'' function on the current entry. | ||
* Context is not set in a trigger, so only global functions are initially available, and using those, you can set up context for functions you want to call on the objects you're interested in. | * Context is not set in a trigger, so only global functions are initially available, and using those, you can set up context for functions you want to call on the objects you're interested in. | ||
{| | {| | ||