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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                s1、s2為字符串類型,寫一個函數返回s1、s2開頭部分相同的字符數 ~~~ function fiterStr(str1,str2){ var l = str1.length > str2.length ? str2.length : str1.length, //取短的 i = 0 while(i < l){ if(str1[i] !== str2[i]){ break;} i++ } return str1.substr(0,i) } fiterStr('ssd','sss'); ~~~
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