Add @SinceKotlin to kotlinx.browser and kotlinx.dom packages

Add @DeprecatedSinceKotlin to kotlin.browser and kotlin.dom packages

libraries/stdlib/api/js-v1/kotlin.browser.kt

@@ -1,15 +1,19 @@
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.document' instead.", replaceWith = kotlin.ReplaceWith(expression = "document", imports = {"kotlinx.browser.document"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val document: org.w3c.dom.Document { get; }
 
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.localStorage' instead.", replaceWith = kotlin.ReplaceWith(expression = "localStorage", imports = {"kotlinx.browser.localStorage"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val localStorage: org.w3c.dom.Storage { get; }
 
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.sessionStorage' instead.", replaceWith = kotlin.ReplaceWith(expression = "sessionStorage", imports = {"kotlinx.browser.sessionStorage"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val sessionStorage: org.w3c.dom.Storage { get; }
 
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.window' instead.", replaceWith = kotlin.ReplaceWith(expression = "window", imports = {"kotlinx.browser.window"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val window: org.w3c.dom.Window { get; }

libraries/stdlib/api/js-v1/kotlin.dom.kt

@@ -1,35 +1,44 @@
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.isElement' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.isElement", imports = {"kotlinx.dom.isElement"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public val org.w3c.dom.Node.isElement: kotlin.Boolean { get; }
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.isText' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.isText", imports = {"kotlinx.dom.isText"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public val org.w3c.dom.Node.isText: kotlin.Boolean { get; }
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.addClass' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.addClass(cssClasses)", imports = {"kotlinx.dom.addClass"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.addClass(vararg cssClasses: kotlin.String): kotlin.Boolean
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.appendElement' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.appendElement(name, init)", imports = {"kotlinx.dom.appendElement"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.appendElement(name: kotlin.String, noinline init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.appendText' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.appendText(text)", imports = {"kotlinx.dom.appendText"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.appendText(text: kotlin.String): org.w3c.dom.Element
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.clear' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.clear()", imports = {"kotlinx.dom.clear"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Node.clear(): kotlin.Unit
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.createElement' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.createElement(name, init)", imports = {"kotlinx.dom.createElement"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Document.createElement(name: kotlin.String, noinline init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.hasClass' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.hasClass(cssClass)", imports = {"kotlinx.dom.hasClass"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.hasClass(cssClass: kotlin.String): kotlin.Boolean
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.removeClass' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.removeClass(cssClasses)", imports = {"kotlinx.dom.removeClass"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.removeClass(vararg cssClasses: kotlin.String): kotlin.Boolean

libraries/stdlib/api/js-v1/kotlinx.browser.kt

@@ -1,7 +1,11 @@
+@kotlin.SinceKotlin(version = "1.4")
 public external val document: org.w3c.dom.Document { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public external val localStorage: org.w3c.dom.Storage { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public external val sessionStorage: org.w3c.dom.Storage { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public external val window: org.w3c.dom.Window { get; }

libraries/stdlib/api/js-v1/kotlinx.dom.kt

@@ -1,17 +1,26 @@
+@kotlin.SinceKotlin(version = "1.4")
 public val org.w3c.dom.Node.isElement: kotlin.Boolean { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public val org.w3c.dom.Node.isText: kotlin.Boolean { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.addClass(vararg cssClasses: kotlin.String): kotlin.Boolean
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.appendElement(name: kotlin.String, init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.appendText(text: kotlin.String): org.w3c.dom.Element
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Node.clear(): kotlin.Unit
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Document.createElement(name: kotlin.String, init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.hasClass(cssClass: kotlin.String): kotlin.Boolean
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.removeClass(vararg cssClasses: kotlin.String): kotlin.Boolean

libraries/stdlib/api/js/kotlin.browser.kt

@@ -1,15 +1,19 @@
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.document' instead.", replaceWith = kotlin.ReplaceWith(expression = "document", imports = {"kotlinx.browser.document"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val document: org.w3c.dom.Document { get; }
 
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.localStorage' instead.", replaceWith = kotlin.ReplaceWith(expression = "localStorage", imports = {"kotlinx.browser.localStorage"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val localStorage: org.w3c.dom.Storage { get; }
 
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.sessionStorage' instead.", replaceWith = kotlin.ReplaceWith(expression = "sessionStorage", imports = {"kotlinx.browser.sessionStorage"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val sessionStorage: org.w3c.dom.Storage { get; }
 
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.browser.window' instead.", replaceWith = kotlin.ReplaceWith(expression = "window", imports = {"kotlinx.browser.window"}))
 @kotlin.internal.LowPriorityInOverloadResolution
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public external val window: org.w3c.dom.Window { get; }

libraries/stdlib/api/js/kotlin.dom.kt

@@ -1,35 +1,44 @@
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.isElement' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.isElement", imports = {"kotlinx.dom.isElement"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public val org.w3c.dom.Node.isElement: kotlin.Boolean { get; }
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.isText' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.isText", imports = {"kotlinx.dom.isText"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public val org.w3c.dom.Node.isText: kotlin.Boolean { get; }
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.addClass' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.addClass(cssClasses)", imports = {"kotlinx.dom.addClass"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.addClass(vararg cssClasses: kotlin.String): kotlin.Boolean
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.appendElement' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.appendElement(name, init)", imports = {"kotlinx.dom.appendElement"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.appendElement(name: kotlin.String, noinline init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.appendText' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.appendText(text)", imports = {"kotlinx.dom.appendText"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.appendText(text: kotlin.String): org.w3c.dom.Element
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.clear' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.clear()", imports = {"kotlinx.dom.clear"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Node.clear(): kotlin.Unit
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.createElement' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.createElement(name, init)", imports = {"kotlinx.dom.createElement"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Document.createElement(name: kotlin.String, noinline init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.hasClass' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.hasClass(cssClass)", imports = {"kotlinx.dom.hasClass"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.hasClass(cssClass: kotlin.String): kotlin.Boolean
 
 @kotlin.internal.LowPriorityInOverloadResolution
 @kotlin.Deprecated(message = "This API is moved to another package, use 'kotlinx.dom.removeClass' instead.", replaceWith = kotlin.ReplaceWith(expression = "this.removeClass(cssClasses)", imports = {"kotlinx.dom.removeClass"}))
+@kotlin.DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun org.w3c.dom.Element.removeClass(vararg cssClasses: kotlin.String): kotlin.Boolean

libraries/stdlib/api/js/kotlinx.browser.kt

@@ -1,7 +1,11 @@
+@kotlin.SinceKotlin(version = "1.4")
 public external val document: org.w3c.dom.Document { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public external val localStorage: org.w3c.dom.Storage { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public external val sessionStorage: org.w3c.dom.Storage { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public external val window: org.w3c.dom.Window { get; }

libraries/stdlib/api/js/kotlinx.dom.kt

@@ -1,17 +1,26 @@
+@kotlin.SinceKotlin(version = "1.4")
 public val org.w3c.dom.Node.isElement: kotlin.Boolean { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public val org.w3c.dom.Node.isText: kotlin.Boolean { get; }
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.addClass(vararg cssClasses: kotlin.String): kotlin.Boolean
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.appendElement(name: kotlin.String, init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.appendText(text: kotlin.String): org.w3c.dom.Element
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Node.clear(): kotlin.Unit
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Document.createElement(name: kotlin.String, init: org.w3c.dom.Element.() -> kotlin.Unit): org.w3c.dom.Element
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.hasClass(cssClass: kotlin.String): kotlin.Boolean
 
+@kotlin.SinceKotlin(version = "1.4")
 public fun org.w3c.dom.Element.removeClass(vararg cssClasses: kotlin.String): kotlin.Boolean

libraries/stdlib/js/src/kotlin/browser/declarations.kt

@@ -13,6 +13,7 @@ import kotlin.internal.LowPriorityInOverloadResolution
     replaceWith = ReplaceWith("window", "kotlinx.browser.window")
 )
 @LowPriorityInOverloadResolution
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public external val window: Window
 
 @Deprecated(
@@ -20,6 +21,7 @@ public external val window: Window
     replaceWith = ReplaceWith("document", "kotlinx.browser.document")
 )
 @LowPriorityInOverloadResolution
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public external val document: Document
 
 @Deprecated(
@@ -27,6 +29,7 @@ public external val document: Document
     replaceWith = ReplaceWith("localStorage", "kotlinx.browser.localStorage")
 )
 @LowPriorityInOverloadResolution
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public external val localStorage: Storage
 
 @Deprecated(
@@ -34,5 +37,6 @@ public external val localStorage: Storage
     replaceWith = ReplaceWith("sessionStorage", "kotlinx.browser.sessionStorage")
 )
 @LowPriorityInOverloadResolution
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public external val sessionStorage: Storage
 

libraries/stdlib/js/src/kotlin/dom/Builders.kt

@@ -21,6 +21,7 @@ import kotlinx.dom.createElement as newCreateElement
     message = "This API is moved to another package, use 'kotlinx.dom.createElement' instead.",
     replaceWith = ReplaceWith("this.createElement(name, init)", "kotlinx.dom.createElement")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun Document.createElement(name: String, noinline init: Element.() -> Unit): Element = this.newCreateElement(name, init)
 
 /**
@@ -33,5 +34,6 @@ public inline fun Document.createElement(name: String, noinline init: Element.()
     message = "This API is moved to another package, use 'kotlinx.dom.appendElement' instead.",
     replaceWith = ReplaceWith("this.appendElement(name, init)", "kotlinx.dom.appendElement")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun Element.appendElement(name: String, noinline init: Element.() -> Unit): Element = this.newAppendElement(name, init)
 

libraries/stdlib/js/src/kotlin/dom/Classes.kt

@@ -17,6 +17,7 @@ import kotlinx.dom.removeClass as newRemoveClass
     message = "This API is moved to another package, use 'kotlinx.dom.hasClass' instead.",
     replaceWith = ReplaceWith("this.hasClass(cssClass)", "kotlinx.dom.hasClass")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 inline fun Element.hasClass(cssClass: String): Boolean = this.newHasClass(cssClass)
 
 /**
@@ -29,6 +30,7 @@ inline fun Element.hasClass(cssClass: String): Boolean = this.newHasClass(cssCla
     message = "This API is moved to another package, use 'kotlinx.dom.addClass' instead.",
     replaceWith = ReplaceWith("this.addClass(cssClasses)", "kotlinx.dom.addClass")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 inline fun Element.addClass(vararg cssClasses: String): Boolean = this.newAddClass(*cssClasses)
 
 /**
@@ -41,4 +43,5 @@ inline fun Element.addClass(vararg cssClasses: String): Boolean = this.newAddCla
     message = "This API is moved to another package, use 'kotlinx.dom.removeClass' instead.",
     replaceWith = ReplaceWith("this.removeClass(cssClasses)", "kotlinx.dom.removeClass")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 inline fun Element.removeClass(vararg cssClasses: String): Boolean = this.newRemoveClass(*cssClasses)

libraries/stdlib/js/src/kotlin/dom/Dom.kt

@@ -19,6 +19,7 @@ import kotlinx.dom.isText as newIsText
     message = "This API is moved to another package, use 'kotlinx.dom.isText' instead.",
     replaceWith = ReplaceWith("this.isText", "kotlinx.dom.isText")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public val Node.isText: Boolean
     inline get() = this.newIsText
 
@@ -30,5 +31,6 @@ public val Node.isText: Boolean
     message = "This API is moved to another package, use 'kotlinx.dom.isElement' instead.",
     replaceWith = ReplaceWith("this.isElement", "kotlinx.dom.isElement")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public val Node.isElement: Boolean
     inline get() = this.newIsElement

libraries/stdlib/js/src/kotlin/dom/Mutations.kt

@@ -17,6 +17,7 @@ import kotlinx.dom.clear as newClear
     message = "This API is moved to another package, use 'kotlinx.dom.clear' instead.",
     replaceWith = ReplaceWith("this.clear()", "kotlinx.dom.clear")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 public inline fun Node.clear() = this.newClear()
 
 /**
@@ -29,4 +30,5 @@ public inline fun Node.clear() = this.newClear()
     message = "This API is moved to another package, use 'kotlinx.dom.appendText' instead.",
     replaceWith = ReplaceWith("this.appendText(text)", "kotlinx.dom.appendText")
 )
+@DeprecatedSinceKotlin(warningSince = "1.4")
 inline fun Element.appendText(text: String): Element = this.newAppendText(text)

libraries/stdlib/js/src/kotlinx/browser/declarations.kt

@@ -7,11 +7,15 @@ package kotlinx.browser
 
 import org.w3c.dom.*
 
+@SinceKotlin("1.4")
 public external val window: Window
 
+@SinceKotlin("1.4")
 public external val document: Document
 
+@SinceKotlin("1.4")
 public external val localStorage: Storage
 
+@SinceKotlin("1.4")
 public external val sessionStorage: Storage
 

libraries/stdlib/js/src/kotlinx/dom/Builders.kt

@@ -13,6 +13,7 @@ import kotlin.contracts.*
  *
  * The element is initialized with the specified [init] function.
  */
+@SinceKotlin("1.4")
 public fun Document.createElement(name: String, init: Element.() -> Unit): Element {
     contract { callsInPlace(init, InvocationKind.EXACTLY_ONCE) }
     return createElement(name).apply(init)
@@ -23,6 +24,7 @@ public fun Document.createElement(name: String, init: Element.() -> Unit): Eleme
  *
  * The element is initialized with the specified [init] function.
  */
+@SinceKotlin("1.4")
 public fun Element.appendElement(name: String, init: Element.() -> Unit): Element {
     contract { callsInPlace(init, InvocationKind.EXACTLY_ONCE) }
     return ownerDocument!!.createElement(name, init).also { appendChild(it) }

libraries/stdlib/js/src/kotlinx/dom/Classes.kt

@@ -8,6 +8,7 @@ package kotlinx.dom
 import org.w3c.dom.*
 
 /** Returns true if the element has the given CSS class style in its 'class' attribute */
+@SinceKotlin("1.4")
 fun Element.hasClass(cssClass: String): Boolean = className.matches("""(^|.*\s+)$cssClass($|\s+.*)""".toRegex())
 
 /**
@@ -15,6 +16,7 @@ fun Element.hasClass(cssClass: String): Boolean = className.matches("""(^|.*\s+)
  *
  * @return true if at least one class has been added
  */
+@SinceKotlin("1.4")
 fun Element.addClass(vararg cssClasses: String): Boolean {
     val missingClasses = cssClasses.filterNot { hasClass(it) }
     if (missingClasses.isNotEmpty()) {
@@ -37,6 +39,7 @@ fun Element.addClass(vararg cssClasses: String): Boolean {
  *
  * @return true if at least one class has been removed
  */
+@SinceKotlin("1.4")
 fun Element.removeClass(vararg cssClasses: String): Boolean {
     if (cssClasses.any { hasClass(it) }) {
         val toBeRemoved = cssClasses.toSet()

libraries/stdlib/js/src/kotlinx/dom/Dom.kt

@@ -10,11 +10,13 @@ import org.w3c.dom.*
 /**
  * Gets a value indicating whether this node is a TEXT_NODE or a CDATA_SECTION_NODE.
  */
+@SinceKotlin("1.4")
 public val Node.isText: Boolean
     get() = nodeType == Node.TEXT_NODE || nodeType == Node.CDATA_SECTION_NODE
 
 /**
  * Gets a value indicating whether this node is an [Element].
  */
+@SinceKotlin("1.4")
 public val Node.isElement: Boolean
     get() = nodeType == Node.ELEMENT_NODE

libraries/stdlib/js/src/kotlinx/dom/Mutations.kt

@@ -8,6 +8,7 @@ package kotlinx.dom
 import org.w3c.dom.*
 
 /** Removes all the children from this node. */
+@SinceKotlin("1.4")
 public fun Node.clear() {
     while (hasChildNodes()) {
         removeChild(firstChild!!)
@@ -19,6 +20,7 @@ public fun Node.clear() {
  *
  * @return this element
  */
+@SinceKotlin("1.4")
 fun Element.appendText(text: String): Element {
     appendChild(ownerDocument!!.createTextNode(text))
     return this