!12047 Modify the example

Merge pull request !12047 from 小马奔腾/master

zh-cn/application-dev/reference/apis/js-apis-convertxml.md

@@ -46,13 +46,13 @@ let xml =
     '    <todo>Work</todo>' +
     '    <todo>Play</todo>' +
     '</note>';
-let conv = new convertxml.convertToJSObject();
+let conv = new convertxml.ConvertXML()
 let options = {trim : false, declarationKey:"_declaration",
     instructionKey : "_instruction", attributesKey : "_attributes",
     textKey : "_text", cdataKey:"_cdata", doctypeKey : "_doctype",
     commentKey : "_comment", parentKey : "_parent", typeKey : "_type",
     nameKey : "_name", elementsKey : "_elements"}
-let result = JSON.stringify(conv.convert(xml, options));
+let result = JSON.stringify(conv.convertToJSObject(xml, options));
 console.log(result);
 // 输出(宽泛型)
 // {"_declaration":{"_attributes":{"version":"1.0","encoding":"utf-8"}},"_elements":[{"_type":"element","_name":"note","_attributes":{"importance":"high","logged":"true"},"_elements":[{"_type":"element","_name":"title","_elements":[{"_type":"text","_text":"Happy"}]},{"_type":"element","_name":"todo","_elements":[{"_type":"text","_text":"Work"}]},{"_type":"element","_name":"todo","_elements":[{"_type":"text","_text":"Play"}]}]}]}

zh-cn/application-dev/reference/apis/js-apis-url.md

@@ -165,7 +165,7 @@ forEach(callbackFn: (value: string, key: string, searchParams: this) => void, th
 
 ```js
 const myURLObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2'); 
-myURLObject.URLParams.forEach((value, name, searchParams) => {  
+myURLObject.searchParams.forEach((value, name, searchParams) => {  
     console.log(name, value, myURLObject.searchParams === searchParams);
 });
 ```

zh-cn/application-dev/reference/apis/js-apis-util.md

@@ -668,8 +668,7 @@ parseRationalNumber(numerator: number,denominator: number): RationalNumber
 **示例：**
 
 ```js
-let rationalNumber = new util.RationalNumber();
-rationalNumber.parseRationalNumber(1,2)
+let rationalNumber = util.RationalNumber.parseRationalNumber(1,2)
 ```
 
 ### constructor<sup>(deprecated)</sup>
@@ -1488,7 +1487,8 @@ contains(key: object): boolean
   ```js
 let pro = new util.LRUCache();
 pro.put(2,10);
-let result = pro.contains(20);
+let obj = {1:"key"};
+let result = pro.contains(obj);
   ```
 
 

zh-cn/application-dev/reference/apis/js-apis-worker.md

@@ -423,7 +423,7 @@ dispatchEvent(event: Event): boolean
 
 ```js
 const workerInstance = new worker.ThreadWorker("workers/worker.js");
-workerInstance.dispatchEvent({type: "alert"});
+workerInstance.dispatchEvent({type: "alert", timeStamp:0});
 ```
 
 
@@ -1424,7 +1424,7 @@ workerInstance.onmessage = function(d) {
 import worker from '@ohos.worker';
 const parentPort = worker.workerPort;
 class MyModel {
-    name:"undefined"
+    name = "undefined"
     Init() {
         this.name = "MyModel"
     }