diff --git a/Project.toml b/Project.toml
index a8d0247..6e0ba1b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Cobweb"
 uuid = "ec354790-cf28-43e8-bb59-b484409b7bad"
 authors = ["joshday <emailjoshday@gmail.com> and contributors"]
-version = "0.6.1"
+version = "0.7.0"
 
 [deps]
 DefaultApplication = "3f0dd361-4fe0-5fc6-8523-80b14ec94d85"
@@ -10,8 +10,8 @@ Scratch = "6c6a2e73-6563-6170-7368-637461726353"
 
 [compat]
 DefaultApplication = "1"
-OrderedCollections = "1.5"
-Scratch = "1.1"
+OrderedCollections = "1"
+Scratch = "1"
 julia = "1"
 
 [extras]
diff --git a/README.md b/README.md
index 6eb134b..c541fff 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,8 @@
 
 # Features
 
-- View any `"text/html"`-representable object in your browser with `preview(x)`.
-- Nice syntax for writing HTML: `h.<tag>(children...; attrs...)`
+- Open `"text/html"`-representable objects in your browser with `preview(x)`.
+- Clean syntax for writing HTML: `h.<tag>(children...; attrs...)`
 
 ```julia
 h.div(class="myclass", style="color:red;")("content!")
@@ -29,14 +29,13 @@ body = h.body(
     h.script("const buttonClicked = () => alert('This button was clicked!')"),
 )
 
-
 preview(body)
 ```
 
 <br>
 <br>
 
-# ✨ Creating Nodes with `Cobweb.h`
+# ✨ Writing HTML with `Cobweb.h`
 
 ### `h` is a pretty special function
 
@@ -49,7 +48,7 @@ h.tag # == h(:tag)
 
 ### `h` Creates a `Cobweb.Node`
 
-- `Cobweb.Node`s are callable:
+- `Cobweb.Node`s are callable (creates a copy with new children/attributes):
 
 ```julia
 h.div("hi")  # positional arguments add *children*
@@ -65,7 +64,8 @@ h.div("hi")(style="border:none;")
 
 ### Child Elements can be Anything
 
-- If `!showable("text/html", child)`, `child` will be added as `HTML(child)`.
+- If a `child` isn't `MIME"text/html"`-representable, it will be added as a `HTML(child)`.
+- Note: `HTML(x)` means "insert this into HTML as `print(x)`".
 
 ```julia
 # e.g. Strings have no text/html representation, so the added child is `HTML("hi")`
@@ -73,6 +73,8 @@ h.div("hi")
 # <div>hi</div>
 
 # You can take advantage of Julia structs that already have text/html representations:
+using Markdown
+
 md_example = h.div(md"""
 # Here is Some Markdown
 
@@ -102,7 +104,7 @@ node
 - `Node`s act like a `Vector` when it comes to children:
 
 ```julia
-node = Cobweb.h.div
+node = Cobweb.h.div  # <div></div>
 
 push!(node, Cobweb.h.h1("Hello!"))
 
@@ -111,6 +113,8 @@ node  # <div><h1>Hello!</h1></div>
 node[1] = "changed"
 
 node  # <div>changed</div>
+
+collect(node)  # ["changed"]
 ```
 
 <br>
diff --git a/src/Cobweb.jl b/src/Cobweb.jl
index e24f9bb..5c5569c 100644
--- a/src/Cobweb.jl
+++ b/src/Cobweb.jl
@@ -84,6 +84,13 @@ Base.iterate(o::Node) = iterate(children(o))
 Base.iterate(o::Node, state) = iterate(children(o), state)
 Base.push!(o::Node, x) = push!(children(o), x)
 Base.append!(o::Node, x) = append!(children(o), x)
+Base.deleteat!(o::Node, x) = deleteat!(children(o), x)
+Base.pop!(o::Node) = pop!(children(o))
+Base.popfirst!(o::Node) = popfirst!(children(o))
+Base.splice!(o::Node, i::Integer) = splice!(children(o), i)
+Base.splice!(o::Node, i::Integer, x) = splice!(children(o), i, x)
+
+
 
 #-----------------------------------------------------------------------------# show Node
 function print_opening_tag(io::IO, o::Node; self_close::Bool = false)
@@ -244,13 +251,15 @@ Base.show(io::IO, ::MIME"text/html", o::Comment) = print(io, "<!-- ", o.x, " -->
     IFrame(content; attrs...)
 
 Create an `<iframe srcdoc=\$content \$(attrs...)>`.
+
+This can be helpful to work around environments that block loading scripts, such as Jupyter notebooks.
 """
-struct IFrame{T, KW}
+struct IFrame{T}
     content::T
-    kw::KW
-    IFrame(x::T; kw...) where {T} = new{T, typeof(kw)}(x, kw)
+    kw::OrderedDict{Symbol, Any}
+    IFrame(x::T = ""; kw...) where {T} = new{T}(x, OrderedDict{Symbol,Any}(kw))
 end
-function Base.show(io::IO, ::MIME"text/html", o::IFrame)
+function Base.show(io::IO, ::MIME"text/html", o::IFrame{T}) where {T}
     show(io, h.iframe(; srcdoc=escape(repr("text/html", o.content)), o.kw...))
 end