var a:int=<int>someNumberAsString;

anyone know how to cast in TypeScript?
有谁知道如何在TypeScript上进行类型转换

I'm trying to do this:
我试着这样进行转换:


var script:HTMLScriptElement = document.getElementsByName("script")[0];
alert(script.type);

but it's giving me an error:
但是返回了一个错误:

Cannot convert 'Node' to 'HTMLScriptElement': Type 'Node' is missing property 'defer' from type 'HTMLScriptElement'
(elementName: string) => NodeList

TypeScript uses '<>' to surround casts, so the above becomes:
TypeScript使用'<>'来支持转换,因此上面的变成:

var script = <HTMLScriptElement>document.getElementsByName("script")[0];

However, unfortunately you cannot do:
然而,不幸的是你不能像如下这样进行转换:

var script = (<HTMLScriptElement[]>document.getElementsByName(id))[0];

You get the error
如果是这样你将得到一个错误

Cannot convert 'NodeList' to 'HTMLScriptElement[]'

But you can do :
但是你可以:

(<HTMLScriptElement[]><any>document.getElementsByName(id))[0];

var script=<HTMLScriptElement>document....