How jQuery implements clicking on the page to obtain the id or other information of the currently clicked element_jquery

Copy code The code is as follows:

$(document).click(function (e) {
var v_id = $(e.target).attr('id');
}

Copy code The code is as follows:

$(e.target)

After getting the current element, you can get the tag name, name and other attributes you want to control the click. Which tag triggers the event

js to determine whether a string contains another string

"ssssddd".indexOf("ss")>0