How to realize the function of set processing in jQuery

This article is about how jQuery implements collection processing functionality. Xiaobian thinks it is quite practical, so share it with everyone for reference. Let's follow Xiaobian and have a look.

aggregate processing function

For the collection content returned by jQuery, we don't need to loop through and process each object separately. jQuery already provides us with a very convenient way to process collections. It comes in two forms:

$("p").each(function(i){this.style.color=['#f00','#0f0','#00f'][ i ]})//Set different font colors for p elements with index 0, 1, 2 respectively.$ ("tr").each(function(i){this.style.backgroundColor=['#ccc','#fff'][i%2]})//Implement interlaced color effect of table $("p").click(function(){alert($(this).html()})//Add click event for each p element, click a p element to pop up its content Thank you for reading! About "jQuery how to achieve collection processing function" This article is shared here, I hope the above content can have some help for everyone, so that everyone can learn more knowledge, if you think the article is good, you can share it to let more people see it!