this is a comment page of a school curriculum grading system. I want to do this: 1. Count the number of words in each comment 2. When the whole loop is over, count out the total number of words of all comments < div id= "header " > < H1 > Course R...
I am a novice. At present, I have encountered some confusion when learning set data types in Es6, as follows: in the Es6 about Ruan Yifeng, it is mentioned that set types can be used to intersect and judge sets, but I have tried it unsuccessfully. ...
if (resState == 8) { li_one.appendTo("-sharphaved .ul-list"); li_one.find(".status").html(""); } else if (resState == 9) { li_one.appendTo("-sharphaved .ul-list"...
after the order exceeds a certain time, the user does not confirm the receipt, so the system needs to automatically complete the confirmation operation, that is, to change the status of the order. Do you have any good ideas? I have seen before that so...
tables in the database want to be assigned somewhere else ...
in the development of the ElementUI+Express project, uploading pictures encountered this problem: 1ElementUI: <el-upload action="http: localhost goods addNewGoodsPicture" :limit="1" :onError="uploadError" :onSuccess=&q...
after each subscription to the content, the Redis object is released, and after processing the subscription information, the Redis is connected again. is that so? how to use redis? in callback function ...