[js-api] Fix misapplied ECMA-262 ReturnIfAbrupt shorthand (?, !)

document/js-api/index.bs

@@ -470,7 +470,7 @@ A {{Module}} object represents a single WebAssembly module. Each {{Module}} obje
 To <dfn>instantiate imported strings</dfn> with module |module| and |importedStringModule|, perform the following steps:
 
 1. Assert: |importedStringModule| is not null.
-1. Let |exportsObject| be [=!=] [$OrdinaryObjectCreate$](null).
+1. Let |exportsObject| be [$OrdinaryObjectCreate$](null).
 1. [=list/iterate|For each=] (|moduleName|, |componentName|, |externtype|) of [=module_imports=](|module|),
     1. If |moduleName| does not equal |importedStringModule|, then [=iteration/continue=].
     1. Let |stringConstant| be |componentName|.
@@ -497,7 +497,7 @@ To <dfn>instantiate imported strings</dfn> with module |module| and |importedStr
     1. [=list/iterate|For each=] (|moduleName|, |componentName|, |externtype|) of [=module_imports=](|module|),
         1. If |builtinOrStringImports| [=map/exist|contains=] |moduleName|,
             1. Let |o| be |builtinOrStringImports|[|moduleName|].
-            1. If |o| [=is not an Object=] or if [$HasProperty$](|o|, |componentName|) is false,
+            1. If |o| [=is not an Object=] or if [=?=] [$HasProperty$](|o|, |componentName|) is false,
                 1. Set |o| to [=?=] [$Get$](|importObject|, |moduleName|).
         1. Else,
             1. Let |o| be [=?=] [$Get$](|importObject|, |moduleName|).
@@ -552,7 +552,7 @@ The verification of WebAssembly type requirements is deferred to the
 
 <div algorithm>
   To <dfn>create an exports object</dfn> from a WebAssembly module |module| and instance |instance|, perform the following steps:
-    1. Let |exportsObject| be [=!=] [$OrdinaryObjectCreate$](null).
+    1. Let |exportsObject| be [$OrdinaryObjectCreate$](null).
     1. [=list/iterate|For each=] (|name|, |externtype|) of [=module_exports=](|module|),
         1. Let |externval| be [=instance_export=](|instance|, |name|).
         1. Assert: |externval| is not [=error=].
@@ -1093,7 +1093,7 @@ Each {{Table}} object has a \[[Table]] internal slot, which is a [=table address
     1. Let |index64| be [=?=] [=AddressValueToU64=](|index|, |addrtype|).
     1. Let |result| be [=table_read=](|store|, |tableaddr|, |index64|).
     1. If |result| is [=error=], throw a {{RangeError}} exception.
-    1. Return [=!=] [=ToJSValue=](|result|).
+    1. Return [=ToJSValue=](|result|).
 </div>
 
 <div algorithm>
@@ -1211,7 +1211,7 @@ which can be simultaneously referenced by multiple {{Instance}} objects. Each
     1. Let |globaltype| be [=global_type=](|store|, |globaladdr|).
     1. If |globaltype| is of the form <var ignore>mut</var> |valuetype| where |valuetype| [=matches/valtype|matches=] [=v128=] or [=exnref=], throw a {{TypeError}}.
     1. Let |value| be [=global_read=](|store|, |globaladdr|).
-    1. Return [=!=] [=ToJSValue=](|value|).
+    1. Return [=ToJSValue=](|value|).
 </div>
 
 <div algorithm>
@@ -1269,7 +1269,7 @@ This slot holds a [=function address=] relative to the [=surrounding agent=]'s [
     1. Let [|paramTypes|] → [<var ignore>resultTypes</var>] be |functype|.
     1. Let |arity| be |paramTypes|'s [=list/size=].
     1. Let |name| be the [=name of the WebAssembly function=] |funcaddr|.
-    1. Let |function| be [=!=] [$CreateBuiltinFunction$](|steps|, |arity|, |name|, « \[[FunctionAddress]] », |realm|).
+    1. Let |function| be [$CreateBuiltinFunction$](|steps|, |arity|, |name|, « \[[FunctionAddress]] », |realm|).
     1. Set |function|.\[[FunctionAddress]] to |funcaddr|.
     1. [=map/Set=] |map|[|funcaddr|] to |function|.
     1. Return |function|.
@@ -1299,17 +1299,17 @@ This slot holds a [=function address=] relative to the [=surrounding agent=]'s [
         1. Let |payload| be [=exn_read=](|store|, |exnaddr|).
         1. Let |jsTagAddr| be the result of [=get the JavaScript exception tag|getting the JavaScript exception tag=].
         1. If |tagaddr| is equal to |jsTagAddr|,
-            1. Throw [=!=] [=ToJSValue=](|payload|[0]).
+            1. Throw [=ToJSValue=](|payload|[0]).
         1. Otherwise,
             1. Let |exception| be [=create an Exception object|a new Exception=] created from |exnaddr|.
             1. Throw |exception|.
     1. Let |outArity| be the [=list/size=] of |ret|.
     1. If |outArity| is 0, return undefined.
-    1. Otherwise, if |outArity| is 1, return [=!=] [=ToJSValue=](|ret|[0]).
+    1. Otherwise, if |outArity| is 1, return [=ToJSValue=](|ret|[0]).
     1. Otherwise,
         1. Let |values| be « ».
         1. [=list/iterate|For each=] |r| of |ret|,
-            1. [=list/Append=] [=!=] [=ToJSValue=](|r|) to |values|.
+            1. [=list/Append=] [=ToJSValue=](|r|) to |values|.
         1. Return [$CreateArrayFromList$](|values|).
 </div>
 
@@ -1324,7 +1324,7 @@ Note: Exported Functions do not have a \[[Construct]] method and thus it is not
     1. If any type in |parameters| or |results| [=matches/valtype|matches=] [=v128=] or [=exnref=], throw a {{TypeError}}.
     1. Let |jsArguments| be « ».
     1. [=list/iterate|For each=] |arg| of |arguments|,
-        1. [=list/Append=] [=!=] [=ToJSValue=](|arg|) to |jsArguments|.
+        1. [=list/Append=] [=ToJSValue=](|arg|) to |jsArguments|.
     1. Let |ret| be [=?=] [$Call$](|func|, undefined, |jsArguments|).
     1. Let |resultsSize| be |results|'s [=list/size=].
     1. If |resultsSize| is 0, return « ».
@@ -1759,7 +1759,7 @@ The <dfn method for="Exception">getArg(|exceptionTag|, |index|)</dfn> method ste
 1. Let [|types|] → [] be [=tag_type=](|store|, |tagaddr|).
 1. If |types|[|index|] [=matches/valtype|matches=] [=v128=] or [=exnref=],
     1. Throw a {{TypeError}}.
-1. Return [=!=] [=ToJSValue=](|payload|[|index|]).
+1. Return [=ToJSValue=](|payload|[|index|]).
 
 </div>
 
@@ -1882,7 +1882,7 @@ To <dfn>create a builtin function</dfn> from type |funcType| and execution steps
 To <dfn>instantiate a builtin set</dfn> with name |builtinSetName|, perform the following steps:
 
 1. Let |builtins| be the result of [=get the builtins for a builtin set=] |builtinSetName|.
-1. Let |exportsObject| be [=!=] [$OrdinaryObjectCreate$](null).
+1. Let |exportsObject| be [$OrdinaryObjectCreate$](null).
 1. [=list/iterate|For each=] (|name|, |funcType|, |steps|) of |builtins|,
     1. Let |funcaddr| be the result of [=create a builtin function=] with |funcType| and |steps|.
     1. Let |func| be the result of creating [=a new Exported Function=] from |funcaddr|.
@@ -2138,7 +2138,7 @@ When this builtin is invoked with parameters |first| and |second|, the following
     1. Throw a {{RuntimeError}} exception as if a [=trap=] was executed.
 1. If |second| is not null and |second| [=is not a String=],
     1. Throw a {{RuntimeError}} exception as if a [=trap=] was executed.
-1. If [=!=] [=IsStrictlyEqual=](|first|, |second|) is true,
+1. If [=IsStrictlyEqual=](|first|, |second|) is true,
     1. Return 1.
 1. Return 0.
 
@@ -2154,7 +2154,7 @@ When this builtin is invoked with parameters |first| and |second|, the following
 
 1. Let |first| be [=?=] [$UnwrapString$](|first|).
 1. Let |second| be [=?=] [$UnwrapString$](|second|).
-1. If [=!=] [=IsStrictlyEqual=](|first|, |second|) is true,
+1. If [=IsStrictlyEqual=](|first|, |second|) is true,
     1. Return 0.
 1. If [=!=] [=IsLessThan=](|first|, |second|, true) is true,
     1. Return -1.