each jquery

$.each(array, function(key, value) { 
    if(value === "foo") {
        return false; // breaks
    }
});

// or

$(selector).each(function() {
  if (condition) {
    return false;
  }
});

$(".demo").each(function() {                // parse each .demo element
document.write($(this).text() + "\n");  // output their text
});

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$( "li" ).each(function( index ) {
  console.log( index + ": " + $( this ).text() );
});