To-Do-List/script.js at master · Anupam015/To-Do-List · GitHub

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(function ($) {
  $.fn.script = function (order, fn) {
    const sv = "script-";
    if (order == "load") {
      $(this).each(function () {
        if ($(this).is(":radio")) {
          if (localStorage.getItem(sv + $(this).attr("name"))) {
            if (localStorage.getItem(sv + $(this).attr("name")) == this.id) {
              this.checked = true;
            } else {
              this.checked = false
            }
          }
          $(this).change(function () {
            localStorage.setItem(sv + $(this).attr("name"), this.id);
          });
        } else if ($(this).is(":checkbox")) {
          if (localStorage.getItem(sv + this.id)) {
            this.checked = (localStorage.getItem(sv + this.id) == "1" ? true : false);
          }
          $(this).change(function () {
            localStorage.setItem(sv + this.id, (this.checked ? "1" : "0"));
          });
        } else if ($(this).is("input") || $(this).is("textarea")) {
          if (localStorage.getItem(sv + this.id)) {
            this.value = localStorage.getItem(sv + this.id);
          }
          $(this).on('focus', function () {
            var intervalDuration = 500,
              interval = setInterval(() => {
                localStorage.setItem(sv + this.id, this.value);
                if (!$(this).is(":focus")) clearInterval(interval);
              }, intervalDuration);
          });
        } else if ($(this).is("select")) {
          if ($(this).is("[multiple]")) {
            if (localStorage.getItem(sv + this.id)) {
              $(this).val(localStorage.getItem(sv + this.id).split(","));
            } else {
              localStorage.setItem(sv + this.id, $(this).val());
            }
            $(this).change(function () {
              localStorage.setItem(sv + this.id, $(this).val());
            });
          } else {
            if (localStorage.getItem(sv + this.id)) {
              $(this).val(localStorage.getItem("script-" + this.id));
            } else {
              localStorage.setItem(sv + this.id, $(this).val());
            }
            $(this).change(function () {
              localStorage.setItem(sv + this.id, $(this).val());
            });
          }
        }
      });
      if ($.isFunction(fn)) { fn(); }
    } else if (order == "destroy") {
      $(this).each(function () {
        if (localStorage.getItem(sv + this.id)) {
          localStorage.removeItem(sv + this.id)
        }
      });
      if ($.isFunction(fn)) { fn(); }
    } else {
      console.error("script action not defined please use $('.classname').script('load') to trigger script to save all inputs")
    }
  };
})(jQuery);