HarmonyOS HasMap通过\u0008JSON.stringify()生成json字符串为‘{}’

hashMap.forEach((value?: string, key?: string) => { console.log("value:" + value, ",key:" + key); });
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let jsonObject: Record<string, Object> = {};  
hashMap.forEach((value, key) => {  
  if (key != undefined && value != undefined) {  
    jsonObject[key] = value; } });  
console.log('jsonObject', JSON.stringify(jsonObject))
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