How to use each function, this from jquery to Dart Language?

Question

I have a function in jquery as below

function findMax(){
 $( ".elements" ).each(function( ) {
  if($(this).css('z-index')>max1)
  max1=$(this).css('z-index');
  max1=parseInt(max1);
 });
}

I have to implement this function in Dart Language. Facing problems with syntaxes in using .each function and 'this' function.

Alexandre Ardhuin · Accepted Answer · 2014-02-24 11:09:10Z

8

The equivalent of jQuery :

$(".elements").each(function( ) {
  // do something with this being one of elements with a 'elements' class
  // you can access the current element with $(this)
});

is in Dart :

querySelectorAll('.elements').forEach((Element e) {
  // do something with e being one of elements with a 'elements' class
  // you can access the current element with e
});

edited Feb 24, 2014 at 11:09

answered Aug 20, 2013 at 12:30

Alexandre Ardhuin

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3 Comments

DrColossos Over a year ago

It should be noted that e can also be the direct implementation of any HTML element like InputElement, SpanElement, DivElement... I preferr this since it make it obvious what element I am dealing with

Kiran Kumar Over a year ago

Do you mean to use e instead of this in this format e.style.background??

Alexandre Ardhuin Over a year ago

Yes. When you use JQuery each this points on the current element and $(this) gives a jQuery wrapper around this. In Dart, you don't have such wrapper but the API of Element is really straightforward and powerfull.

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