diff --git a/jquery/jquery-tests.ts b/jquery/jquery-tests.ts
index 48f5c19c9..022e35f9c 100644
--- a/jquery/jquery-tests.ts
+++ b/jquery/jquery-tests.ts
@@ -763,7 +763,7 @@ function test_children() {
         var $kids = $(e.target).children();
         var len = $kids.addClass("hilite").length;
 
-        $("#results span:first").text(len.toString());
+        $("#results span:first").text(len);
         //$("#results span:last").text(e.target.tagName);
 
         e.preventDefault();
@@ -2882,6 +2882,36 @@ function test_makeArray() {
     jQuery.isArray(arr) === true;
 }
 
+function test_replaceAll() {
+    $("<h2>New heading</h2>").replaceAll(".inner");
+    $(".first").replaceAll(".third");
+    $("<b>Paragraph. </b>").replaceAll("p");
+}
+
+function test_replaceWith() {
+    $("div.second").replaceWith("<h2>New heading</h2>");
+    $("div.inner").replaceWith("<h2>New heading</h2>");
+    $("div.third").replaceWith($(".first"));
+
+    $("button").click(function () {
+        $(this).replaceWith("<div>" + $(this).text() + "</div>");
+    });
+
+    $("p").replaceWith("<b>Paragraph. </b>");
+
+    $("p").click(function () {
+        $(this).replaceWith($("div"));
+    });
+
+    $("button").on("click", function () {
+        var $container = $("div.container").replaceWith(function () {
+            return $(this).contents();
+        });
+
+        $("p").append($container.attr("class"));
+    });
+}
+
 function test_map() {
     $(':checkbox').map(function () {
         return this.id;
diff --git a/jquery/jquery.d.ts b/jquery/jquery.d.ts
index 33c5d47e5..5012181e8 100644
--- a/jquery/jquery.d.ts
+++ b/jquery/jquery.d.ts
@@ -3073,14 +3073,100 @@ interface JQuery {
      */
     remove(selector?: string): JQuery;
 
-    replaceAll(target: any): JQuery;
+    /**
+     * Replace each target element with the set of matched elements.
+     * 
+     * @param target A selector string, jQuery object, DOM element, or array of elements indicating which element(s) to replace.
+     */
+    replaceAll(target: JQuery): JQuery;
+    /**
+     * Replace each target element with the set of matched elements.
+     * 
+     * @param target A selector string, jQuery object, DOM element, or array of elements indicating which element(s) to replace.
+     */
+    replaceAll(target: any[]): JQuery;
+    /**
+     * Replace each target element with the set of matched elements.
+     * 
+     * @param target A selector string, jQuery object, DOM element, or array of elements indicating which element(s) to replace.
+     */
+    replaceAll(target: Element): JQuery;
+    /**
+     * Replace each target element with the set of matched elements.
+     * 
+     * @param target A selector string, jQuery object, DOM element, or array of elements indicating which element(s) to replace.
+     */
+    replaceAll(target: string): JQuery;
 
-    replaceWith(func: any): JQuery;
+    /**
+     * Replace each element in the set of matched elements with the provided new content and return the set of elements that was removed.
+     * 
+     * param newContent The content to insert. May be an HTML string, DOM element, array of DOM elements, or jQuery object.
+     */
+    replaceWith(newContent: JQuery): JQuery;
+    /**
+     * Replace each element in the set of matched elements with the provided new content and return the set of elements that was removed.
+     * 
+     * param newContent The content to insert. May be an HTML string, DOM element, array of DOM elements, or jQuery object.
+     */
+    replaceWith(newContent: any[]): JQuery;
+    /**
+     * Replace each element in the set of matched elements with the provided new content and return the set of elements that was removed.
+     * 
+     * param newContent The content to insert. May be an HTML string, DOM element, array of DOM elements, or jQuery object.
+     */
+    replaceWith(newContent: Element): JQuery;
+    /**
+     * Replace each element in the set of matched elements with the provided new content and return the set of elements that was removed.
+     * 
+     * param newContent The content to insert. May be an HTML string, DOM element, array of DOM elements, or jQuery object.
+     */
+    replaceWith(newContent: Text): JQuery;
+    /**
+     * Replace each element in the set of matched elements with the provided new content and return the set of elements that was removed.
+     * 
+     * param newContent The content to insert. May be an HTML string, DOM element, array of DOM elements, or jQuery object.
+     */
+    replaceWith(newContent: string): JQuery;
+    /**
+     * Replace each element in the set of matched elements with the provided new content and return the set of elements that was removed.
+     * 
+     * param func A function that returns content with which to replace the set of matched elements.
+     */
+    replaceWith(func: () => any): JQuery;
 
+    /**
+     * Get the combined text contents of each element in the set of matched elements, including their descendants.
+     */
     text(): string;
-    text(textString: any): JQuery;
-    text(textString: (index: number, text: string) => string): JQuery;
+    /**
+     * Set the content of each element in the set of matched elements to the specified text.
+     * 
+     * @param text The text to set as the content of each matched element.
+     */
+    text(text: string): JQuery;
+    /**
+     * Set the content of each element in the set of matched elements to the specified text.
+     * 
+     * @param text The text to set as the content of each matched element.
+     */
+    text(text: number): JQuery;
+    /**
+     * Set the content of each element in the set of matched elements to the specified text.
+     * 
+     * @param text The text to set as the content of each matched element.
+     */
+    text(text: boolean): JQuery;
+    /**
+     * Set the content of each element in the set of matched elements to the specified text.
+     * 
+     * @param func A function returning the text content to set. Receives the index position of the element in the set and the old text value as arguments.
+     */
+    text(func: (index: number, text: string) => string): JQuery;
 
+    /**
+     * Retrieve all the elements contained in the jQuery set, as an array.
+     */
     toArray(): any[];
 
     unwrap(): JQuery;