How to check if a jQuery plugin is loaded

0 votes
Is there any way to check if a particular plugin is available?

Imagine that you are developing a plugin that depends on another plugin being loaded.

For example I want the jQuery Validation plugin to use the dateJS library to check if a given date is valid. What would be the best way to detect, in the jQuery Valdation plugin if the dateJS was available?
Apr 28, 2020 in JQuery by kartik
• 37,500 points
699 views

1 answer to this question.

0 votes

Hello @kartik,

for the plugins that doesn't use fn namespace (for example pnotify), this works:

if($.pluginname) {
    alert("plugin loaded");
} else {
    alert("plugin not loaded");
}

This doesn't work:

if($.fn.pluginname)

Thank You!!

answered Apr 28, 2020 by Niroj
• 82,700 points

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