jsȡС
javascriptλȡеСֵ - ٶȾ
1 1һtest.htmlļ2jsǩڣһarr3jsǩڣٴһsmvalue...
JS ٻȡеСֵ - ٶȾ
/ 1 var numbers = [5, 458 , 120 , -215 , 228 , 400 , 122205, -85411];var maxInNumbers = Math.max.apply(Math, n...
jsλֵС - ٶȾ
/ 1 ½һhtmlļΪtest.htmlڽjsλֵС֡2 jsǩڣһ...
jsСȡ - ٶȾ
1 1һtest.htmlļ2ļڣһһȡťťʱִjs...
jsνȡС?1.32,Ľ0.32 - ٶ...
var num = num - parseInt(num);//num ַ '1.32'1.32 //parseInt(num) ȥСλһ...
jsôȡһС
SELECT CEILING($123.45), CEILING($-123.45), CEILING($0.0)floor شڻֱʽС ...
JSеֵСֵļַ - ٶȾ
/ 1 applyʽMathеmax/minʵ 2 sortʽСһСֵ...
ôjsȡСλ?
"}","gm")) ;//eg("12.777777777777777").match(new RegExp("\\d+\\.\\d{" + 2 + "}","gm"));//12.77 ...
javascriptȡСλ?
jsṩ˶ӦĺtoFixed(n)nʾҪλС磺var a =123.456789;alert(a.toFixed(4));// ...
JS λС - ٶȾ
JSУҪһСбλIJͨʹNumbertoFixed()...