.id is not a valid jquery function. You need to use the .attr() function to access attributes an element possesses. You can use ... ... <看更多>

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Therefore, do not use this to generate unique IDs. There are much better ways to do it. However, a simple fix to get a lot less collisions would be to append ... ... <看更多>

Got solution. I am writing answer of my question. Hope it will help others. requirejs(['jquery','underscore'], function(jQuery,_){ ... ... <看更多>

slick is a responsive carousel jQuery plugin that supports multiple breakpoints, ... if so, find the slide that has the same id and get its index, ... ... <看更多>