Home Web Front-end JS Tutorial How to tell whether jQuery is loaded

How to tell whether jQuery is loaded

Jun 22, 2018 pm 02:27 PM
jquery judgment load

The editor below will share with you a solution to determine whether jQuery has been loaded. If it is not completed, continue to determine. It has a good reference value and I hope it will be helpful to everyone. Let’s follow the editor and take a look.

A rather troublesome thing is that some plug-ins bind dom objects and then use jq syntax. For example, when you are in vue node, you basically need Baidu method

I provide an alternative solution. For example, if you download a carousel plug-in a.js

you open its a.js and then use function lbt(){} wraps the entire JS in the head and adds my paragraph, it is basically ready to use.

isjQueryLoadend();
function isjQueryLoadend(){//判断JQ是否加载完成没有的话 继续判断
	if (typeof $ != 'undefined' && document.body) {//jquery
		lbt();
	} else { 
		setTimeout(isjQueryLoadend,1000)
	}
}
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The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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