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JS implementation find the most characters and number of occurrences of a string

Source: Internet
Author: User
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The code is as follows:

<!DOCTYPE HTML><HTMLLang= "ZH-CN"><Head>    <MetaCharSet= "UTF-8">    <title>Most occurrences of characters and times</title></Head><Body>    <Script>        varStr= 'h$^&**0'; functionMost (str) {return(str+ "'). Split ("'). Reduce (function(Pre,cur,index,array) {//reduce () is an iterative execution function, ie9+ Standard mode support, a bit like the map () function. CurinchPre?Pre[cur]++: (Pre[cur]=1); Pre[cur]>Pre.value&&(Pre.value=Pre[cur],pre.Char =cur); returnPre; },{value:0,Char:NULL});    } console.log (most (str)); </Script></Body></HTML>

The parameter usage of the reduce () function can be referenced in the URL: https://msdn.microsoft.com/library/ff679975 (v=vs.94). aspx

JS implementation find the most characters and number of occurrences of a string

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Related Keywords:
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