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황진하 / 2017-1-WebServiceProgramming-2012104136

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  • 2017-1-WebServiceProgramming-2012104136
  • JavaScript
  • Quiz04.js
  • 황진하's avatar
    JQuery Pr02 · 3d05587a
    3d05587a
    황진하 authored 2017-05-18 12:39:21 +0900
Quiz04.js 430 Bytes
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function myFunction() {
    var str = prompt("파일 이름을 입력하시오.");
    var txt = str.search(".html");

    console.log(txt);
    console.log((str.length - 5))
    
    var flag = false;
    if (txt < 0) {
        flag = true;
    }

    if ((str.length - 5) != txt) {
        flag = true;
    }

    if (flag) {
        alert("HTML 파일명을 입력하시오.");
    } else {
        document.write(str);
    }
}