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javascript-zero-Reserved 2 decimal places

Source: Internet
Author: User
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1 <!DOCTYPE HTML>2 <HTMLLang= "en">3 <Head>4     <MetaCharSet= "UTF-8">5     <title>Format-number</title>6 </Head>7 <Body>8     <inputtype= "text"ID= "Input"><inputtype= "text"ID= "Output">9 </Body>Ten <Script> One varIPT=document.getElementById ('input'); A varopt=document.getElementById ('Output'); - Ipt.oninput=function(){ - Opt.value=Zero ( This. value); the } - functionZero (num) { -     varStr=num.tostring (); -     if(Str.indexof (".")==-1){ +         returnNum+". XX"; -     }Else{ +         varLen=Str.indexof ("."); A         if(Str.slice (Str.indexof ('.'). Length== 2){ at             returnNum+"0" -         }Else if(Str.slice (Str.indexof ('.'). Length> 3){ -             varLen=Str.indexof ("."); -             varstr1=Str.slice (0, Len); -             varLeng=Str1.length+3; -             varstr2=Str.slice (0, Leng); in             returnNumber (STR2); -         }Else{ to             returnnum; +         } -     } the } * </Script> $ </HTML>

javascript-zero-Reserved 2 decimal places

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