function exampleFunction<T>(arg: T): void {
if (typeof arg === 'string') {
console.log('T is a string');
} else if (typeof arg === 'number') {
console.log('T is a number');
} else {
console.log('T is of another type');
}
}
export function JumpByObject(params: NewsListBean | JumpData) {
if (params instanceof NewsListBean) {
}else if(params instanceof JumpData){
}
}
具体参考:https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/typescript-to-arkts-migration-guide-V5\#部分支持instanceof运算符
instanceof判断某个对象是否是另一个对象的实例,比如自定义类,Number,Array,typeof用于检测对象的类型,可参考如下代码: