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* Better comments for toNNN functions, changed toInteger to return 0 if the value is not an integer

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michael 2018-02-10 14:12:31 +00:00
parent f61bb3e843
commit 8c3c8022c9
1 changed files with 6 additions and 8 deletions
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14
packages/rtl/js.pas
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@ -654,11 +654,11 @@ function jsInstanceOf(const aFunction, aFunctionWithPrototype: JSValue): String;
function jsTypeOf(const v: JSValue): String; external name 'typeof'; function jsTypeOf(const v: JSValue): String; external name 'typeof';
function jsIsNaN(const v: JSValue): boolean; external name 'isNaN';// true if value cannot be converted to a number. e.g. True on NaN, undefined, {}, '123'. False on true, null, '', ' ', '1A' function jsIsNaN(const v: JSValue): boolean; external name 'isNaN';// true if value cannot be converted to a number. e.g. True on NaN, undefined, {}, '123'. False on true, null, '', ' ', '1A'
function toNumber(const v: JSValue): double; assembler; // if not possible, returns NaN function toNumber(const v: JSValue): double; assembler; // if not possible, returns NaN
function toInteger(const v: JSValue): NativeInt; // if not possible, returns NaN function toInteger(const v: JSValue): NativeInt; // if v is not an integer, returns 0
function toObject(Value: JSValue): TJSObject; // If not possible, returns Nil function toObject(Value: JSValue): TJSObject; // If Value is not a Javascript object, returns Nil
function toArray(Value: JSValue): TJSArray; // If not possible, returns Nil function toArray(Value: JSValue): TJSArray; // If Value is not a Javascript array, returns Nil
function toBoolean(Value: JSValue): Boolean; // If not possible, returns False function toBoolean(Value: JSValue): Boolean; // If Value is not a Boolean, returns False
function toString(Value: JSValue): String; // If not possible, returns '' function toString(Value: JSValue): String; // If Value is not a string, returns ''
Type Type
TJSValueType = (jvtNull,jvtBoolean,jvtInteger,jvtFloat,jvtString,jvtObject,jvtArray); TJSValueType = (jvtNull,jvtBoolean,jvtInteger,jvtFloat,jvtString,jvtObject,jvtArray);
@ -792,9 +792,7 @@ begin
if IsInteger(v) then if IsInteger(v) then
Result:=NativeInt(v) Result:=NativeInt(v)
else else
asm Result:=0;
return NaN
end;
end; end;
function toObject(Value: JSValue): TJSObject; function toObject(Value: JSValue): TJSObject;