Вопросы на засыпку от “Roman36Liman” - Страница 3

function elementSupportsAttribute(element, attribute) {
    var test = document.createElement(element);
    if (attribute in test) {
      return true;
    } else {
      return false;
    }
};   
$(document).ready(function(){
if (!elementSupportsAttribute('textarea', 'placeholder')) {
    $("#example-three")
      .data("originalText", $("#example-three").text())
      .css("color", "#ff9900")
      .focus(function() {
          var $el = $(this);
          if (this.value == $el.data("originalText")) {
            this.value = "";
          }
      })
      .blur(function() {
        if (this.value == "") {
            this.value = $(this).data("originalText");
        }
      });
} else {
    $("#example-three")
      .attr("placeholder", $("#example-three").text())
      .text("");
}   
});