html - Targeting Dynamic ID's in jQuery -


i creating dynamic id inside li element , want target each id can animate opacity. set variable "_btn" console log value of each id returns correct id names when try target id in jquery not animate opacity. doing wrong how target each id in jquery? 

var btninfo = [{   img: 'images/thumbs/motiongraphicsthumb1.jpg',   id: 'btn1',   title: 'title1',   url: 'folio/pg1.html' }, {   img: 'images/thumbs/motiongraphicsthumb2.jpg',   id: 'btn2',   title: 'title2',   url: 'folio/pg2.html' }, {   img: 'images/thumbs/motiongraphicsthumb3.jpg',   id: 'btn3',   title: 'title3',   url: 'folio/pg3.html' }] (var = 0; < btninfo.length; i++) {    $('.thumbwrapper .container ul').append('<li class="hidethumbs" id="' + btninfo[i].id + ' "  onclick="contentloader(\'' + btninfo[i].url + '\')"><div class="view view-tenth"><img src="' + btninfo[i].img + '"><div class="mask"><h2>' + btninfo[i].title + '</h2></div></div></li>');    var _btn = btninfo[i].id;   console.log("btn id " + _btn);    $("#" + _btn).animate({     opacity: 100   }); } }

i guess create <li>s not visible, want use animate() make them visible smoothly. more hidethumbs class set display: none;: way, change opacity has no effect, , element keeps invisible.

instead css should be:

.hidethumbs {     opacity: 0; }

apart above, note that:

  • opacity: 100 has no sense (though it'll work); values between 0 (invisible) , 1 (fully visible).
  • you'd better write var _btn = btninfo[i].id; before <li> creation, can use btn rather btninfo[i].id inside of it.

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