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How to localize a JavaScript file in WordPress?
Passed directly, so it should be qualified JS variable. Example: ‘/ [a-zA-Z0-9_]+/’. (array) (Required) The data itself. The data can be either a single or multi-dimensional array. (bool) True if the script was successfully localized, false otherwise. This function localizes a registered script with data for a JavaScript variable.
When to use WP _ localize _ script ( ) function?
`wp_localize_script()` is often used to pass generic data from PHP to JavaScript, because it was originally the only official way to do that. wp_add_inline_script() was introduced in WP v4.5, and is now the best practice for that use case.
How to localize an array in JavaScript?
Localize a script. Works only if the script has already been added. Accepts an associative array $l10n and creates a JavaScript object: “$object_name” = { key: value, key: value, } (string) (Required) Script handle the data will be attached to.
How to get list of all elements in a JavaScript array?
So use this line which loop through objects. See this for other ways to loop through object properties, Look at coordinates in the debugger and you will see that you have set the properties [0,0,3,5] and [0,0,3] of the object coordinates. That is although coordinates is an array you are not using it as an array.
How to extract value from an array in JavaScript?
As the examples above (hopefully) shed some light on the way this works, lets shorten the function a bit by utilising the Array.concat function. In general, if you want to extrapolate object values which are inside an array (like described in the question) then you could use reduce, map and array destructuring.
How to create a JavaScript file in WordPress?
According to the WordPress documentation, you should use wp_localize_script () in your functions.php file. This will create a Javascript Object in the header, which will be available to your scripts at runtime.