how to get the audio file of microphone by web page js ...
splice deletes the last item in the array <div class="content" :index= index > :{{tableList[index].name}} <button @click="del(index)">< button> <button @click= cancel >< button> ...
has a series of variables named var0,var1,var2...var99 . How do I write a loop to display all variable values in devtool? Thank you. < hr > maybe my question is not accurate. I use for loop to output the value of variable . console.log( var + i) ...
usage scenarios of set and map in JS ...
var arrone = [ {op: "A", name: "", is_answer: 0, sureid: true}, {op: "B", name: " "", is_answer: 1, sureid: true}, {op: "C", name: "", is_answer: 1, sureid: true} ] ...
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echarts markArea setting region background distinction, time overlap leads to background overlap, display label can not be triggered normally, is there any way to set cascading priority display (eg:z-index) this is the normal display background discri...
for example, I want to wrap Hello world as . how do you realize it? Emmet seems to be able to wrap only built-in html elements, while sublime s snippet can only generate fragments in advance and fill in the fragments In the actual writing proces...
php code is as follows ...
could you tell me how to write such a regular expression? it matches all ...
topic description webapp programmed by vue cannot use microphone to record on IOS. How to call microphone on ios sources of topics and their own ideas browsers can enable microphone permissions, but when encapsulated as APP, they do not support . ...
current angle ...
this.echarts1_option.option.series.push({ name: this.cclass[index], data: element, type: line , areaStyle: {}, itemStyle: { normal: { lineStyle: { color: color[index], ...
Today npm hints that two high-risk vulnerabilities have been detected run npm audit fix to repair. After the repair is completed, it is prompted that a vulnerability cannot be repaired automatically, and manual audit is required run npm audit to get...
problem description look at the official document directly copied official document code has been successfully written to the picture, but the picture failed to open to show damage the environmental background of the problems and what methods you ha...
problem description the company has a project based on srpingmvc + jsp, and the front-end display page is the introduction of js,css to the page. Due to historical reasons, the front-end engineering is not done, and the project is not suitable for com...
[RowDataPacket {name: zhang3 , password: undefined , random: null}, RowDataPacket {name: zhang3 , password: undefined , random: null}, RowDataPacket {name: zhang3 , password: undefined , random: null}, RowDataPacket {name: zhang3 ...
< H2 > approximate process < H2 > the parent component clicks the button-> pops up the child component s query box-> the child component clicks to confirm or cancel-> the event triggering the parent component < H2 > problem description < H2 > now...
problem description what is the difference between the function declared by function inside the JS constructor and the function declared by this, and why the function declared by function still points to the same memory after instantiation, while the ...
as shown below, my input box binds the click event to call up picker. In order to prevent the system virtual keyboard from being set up, I set input to readonly. Although the virtual keyboard will not be set up, the up and down arrows still come out. Do...
that is, two independent routes correspond to two independent components, two components that are neither father and son nor sibling, the browser opens two routes to add data to the b component, and then wants to update the data in component a when Sync...
something like this const demo = [{ path: login , name: login , meta: { title: Login - , hideInMenu: true } }, { path: , name: _home , redirect: ...
func DBGetAdd(t string, n string, v string) map[string]string { sql := "insert into "+t+"("+n+") values("+v+")" ret, err := DB.Exec(sql); d := map[string]string{} if err != nil { ...
1 reassemble two arrays using double loops 2 condition 1. Compare the two arrays of Arr1,Arr2 and return a new array resultArr 2. ResultArr contains all the items in Arr2 3. If the project id in resultArr exists in Arr1 and its lev...
in this question, you can AC with the following code: the time timeout is finally displayed. What is the reason for asking all the bosses? Is it true that one more comparison will time out, or is there something wrong with the program itself? ...