<! DOCTYPE HTML> <HTML> <head> <Meta charset = " UTF-. 8 " > <title> </ title> </ head> <body> <h1 of ID = " NUM " > </ h1 of> </ body > <Script type = " text / JavaScript " > var numBox = document.getElementById ( ' NUM ' ); / * * * through the numbers * @param {Object} num start value * {Object} maxNum maximum @param, showing the final value * / function numRunFun (NUM,maxNum) { were numText =NUM; var Golb; // To remove requestAnimationFrame function numSlideFun () { numText + = 10000 ; // calculation speed may be fractional IF (numText> = maxNum) { numText = maxNum; cancelAnimationFrame (Golb); } the else { Golb = requestAnimationFrame (numSlideFun); } numBox.innerHTML = ~ ~ (numText) } numSlideFun (); } // run numRunFun(0,99000) </script> </html>