jquery function formatDollar(num) { var p = num.toFixed(2).split("."); return "$" + p[0].split("").reverse().reduce(function(acc, num, i, orig) { return num == "-" ? acc : num + (i && !(i % 3) ?...
what is the similar expression for NaN in JS? typeof NaN = number , NaN is a number type, so is it a 64 floating point number in js like any other number? feels that NaN is similar to 0 for the numerical type ~ ~ num, it will be converted to a ...
Do not automatically increase when dragging to the right at 08:00. What should I do? Currently, 1 hour will be added automatically when dragging. ...
Hello, I am a beginner of Unicode. Look it up on the Unicode web site and list the words of all the numbers. Unicode (General_Category=Decimal_Number) I have a question: why are the numbers in Chinese not included and classified according to what c...
I now have a set of data that is looped through v-for, in which a data is given red when it needs to be greater than zero and green when it is below zero. What are the ways to implement the code? I want to write it in the loop body and make a judgment a...
I am making a module of the rotation graph. I use js to create a style tag and add the css style of each structure of the rotation, and then the style of the picture takes effect, but the style of the controller dot is invalid, and adding Important is u...
<c:choose> <c:when test="${empty login}"> <li><a href=".. index loginUI.do"><i class="fa fa-user">< i> < a> < li> < c...
as shown above, what do lines 2 and 3 mean ...
how do the three div of ABC realize BAC,CAB,CBA permutation without changing the structure ...
how the el-tooltip, component of ele.me sets the width of the pop-up tips. Prompt messages need to be wrapped. <div class="title" > <el-tooltip v-bind:content="item.content" popper-class="tips...