diff options
Diffstat (limited to 'doc/classes')
| -rw-r--r-- | doc/classes/JavaScript.xml | 27 | ||||
| -rw-r--r-- | doc/classes/JavaScriptObject.xml | 42 |
2 files changed, 69 insertions, 0 deletions
diff --git a/doc/classes/JavaScript.xml b/doc/classes/JavaScript.xml index c707a72ee8..e6d74eeb21 100644 --- a/doc/classes/JavaScript.xml +++ b/doc/classes/JavaScript.xml @@ -11,6 +11,24 @@ <link title="Exporting for the Web: Calling JavaScript from script">https://docs.godotengine.org/en/latest/getting_started/workflow/export/exporting_for_web.html#calling-javascript-from-script</link> </tutorials> <methods> + <method name="create_callback"> + <return type="JavaScriptObject"> + </return> + <argument index="0" name="callable" type="Callable"> + </argument> + <description> + Creates a reference to a [Callable] that can be used as a callback by JavaScript. The reference must be kept until the callback happens, or it won't be called at all. See [JavaScriptObject] for usage. + </description> + </method> + <method name="create_object" qualifiers="vararg"> + <return type="Variant"> + </return> + <argument index="0" name="object" type="String"> + </argument> + <description> + Creates a new JavaScript object using the [code]new[/code] constructor. The [code]object[/code] must a valid property of the JavaScript [code]window[/code]. See [JavaScriptObject] for usage. + </description> + </method> <method name="eval"> <return type="Variant"> </return> @@ -23,6 +41,15 @@ If [code]use_global_execution_context[/code] is [code]true[/code], the code will be evaluated in the global execution context. Otherwise, it is evaluated in the execution context of a function within the engine's runtime environment. </description> </method> + <method name="get_interface"> + <return type="JavaScriptObject"> + </return> + <argument index="0" name="interface" type="String"> + </argument> + <description> + Returns an interface to a JavaScript object that can be used by scripts. The [code]interface[/code] must be a valid property of the JavaScript [code]window[/code]. The callback must accept a single [Array] argument, which will contain the JavaScript [code]arguments[/code]. See [JavaScriptObject] for usage. + </description> + </method> </methods> <constants> </constants> diff --git a/doc/classes/JavaScriptObject.xml b/doc/classes/JavaScriptObject.xml new file mode 100644 index 0000000000..a9e9c77e89 --- /dev/null +++ b/doc/classes/JavaScriptObject.xml @@ -0,0 +1,42 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<class name="JavaScriptObject" inherits="Reference" version="4.0"> + <brief_description> + A wrapper class for native JavaScript objects. + </brief_description> + <description> + JavaScriptObject is used to interact with JavaScript objects retrieved or created via [method JavaScript.get_interface], [method JavaScript.create_object], or [method JavaScript.create_callback]. + Example: + [codeblock] + extends Node + + var _my_js_callback = JavaScript.create_callback(self, "myCallback") # This reference must be kept + var console = JavaScript.get_interface("console") + + func _init(): + var buf = JavaScript.create_object("ArrayBuffer", 10) # new ArrayBuffer(10) + print(buf) # prints [JavaScriptObject:OBJECT_ID] + var uint8arr = JavaScript.create_object("Uint8Array", buf) # new Uint8Array(buf) + uint8arr[1] = 255 + prints(uint8arr[1], uint8arr.byteLength) # prints 255 10 + console.log(uint8arr) # prints in browser console "Uint8Array(10) [ 0, 255, 0, 0, 0, 0, 0, 0, 0, 0 ]" + + # Equivalent of JavaScript: Array.from(uint8arr).forEach(myCallback) + JavaScript.get_interface("Array").from(uint8arr).forEach(_my_js_callback) + + func myCallback(args): + # Will be called with the parameters passed to the "forEach" callback + # [0, 0, [JavaScriptObject:1173]] + # [255, 1, [JavaScriptObject:1173]] + # ... + # [0, 9, [JavaScriptObject:1180]] + print(args) + [/codeblock] + Note: Only available in the "HTML5" platform. + </description> + <tutorials> + </tutorials> + <methods> + </methods> + <constants> + </constants> +</class> |