时分秒减1秒

functionsubtractSecondFromTimeString(timeString){ let[hours,minutes,seconds]=timeString.split(':...

正则获取两个字符之间的内容

‘<i>￥</i>11+22<label>啊啊<label/>'.match(/<\/i>(\S*)<label>/)[...

parseFloat((4.1*100).toPrecision(12))

constua=navigator.userAgent.toLowerCase(); //微信小程序、微信公众号H5、浏览器、app环境 getENVIR:()=>{ constisWeixi...

varx=newDate(); x.setHours(0,0,0,0); vary=newDate(); var_times=24*3600*1000-(y.getTime()-x.getTime()...

方法1:leturl="图片地址"; functionimageSize(url){ returnnewPromise(function(resolve,reject){ let...

//多组时间段-年月日时分秒是否存在交集 timeHasCan(arr){ let timeTrue=false; for (let i = 0; i < arr.length; i++) ...

functiongetDate(AddDayCount){ vardd=newDate(); dd.setDate(dd.getDate()+AddDayCount);//获取AddDayCount天...