update zh-cn/application-dev/reference/apis/js-apis-media.md.

Signed-off-by: N zengyawen <zengyawen1@huawei.com>

update zh-cn/application-dev/reference/apis/js-apis-media.md.
Signed-off-by: N zengyawen <zengyawen1@huawei.com>
06cdcde5 · zengyawen · Gitee · bcf0265d · 06cdcde5
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zh-cn/application-dev/reference/apis/js-apis-media.md zh-cn/application-dev/reference/apis/js-apis-media.md +1 -1

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--- a/zh-cn/application-dev/reference/apis/js-apis-media.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-media.md
@@ -2004,7 +2004,7 @@ eventEmitter.on('prepare', () => {
 });

 media.createVideoRecorder((err, recorder) => {
-    if (err == null && recorder) != null) {
+    if (err == null && recorder != null) {
        videoRecorder = recorder;
        console.info('createVideoRecorder success');
        eventEmitter.emit('prepare');                                        // prepare事件触发