JavaScriptPractice/if_else.html at main · EduKeyPath/JavaScriptPractice · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo</title>
</head>
<body>
    <p><b>Get Data on click on it</b></p>
    <a onclick="getData(1)">1</a> | <a onclick="getData(2)">2</a> | <a onclick="getData(3)">3</a>
    | <a onclick="getData(4)">4</a> | <a onclick="getData(5)">5</a> | <a onclick="getData(6)">6</a>
    <br/>
    <p id="nu"></p>
    <script>
        function getData(value){
            if(value == 1){
                document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML + '<br/>' +'Floor no. 1';
            }else if(value == 2){
                document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML + '<br/>' +'Floor no. 2';
            }else if(value == 3){
                document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML + '<br/>' +'Flooe no. 3';
            }else if(value == 4){
                document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML + '<br/>' +'Floor no. 4';
            }else if(value == 5){
                document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML + '<br/>' +'Flooe no. 5';
            }else if(value == 6){
                document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML + '<br/>' +'Floor no. 6';
            }else{
                document.getElementById('nu').innerHTML = document.getElementById('nu').innerHTML + '<br/>' +'Ground Floor';
            }
        }
    </script>

    <p><b>Check whether number is Even / Odd / Fractional</b></p>
    <input type="text" name="" value="" id="numb" />
    <input type="submit" name="" value="Even / Odd / Fractional" onclick="getData2()" />
    <script>
        function getData2(){
            var numV = document.getElementById('numb').value;
            if(numV%2 == 0){
                alert('Even');
            }else if(numV%2 == 1){
                alert('Odd');
            }
            else {
                alert('Fractional');
            }
        }
    </script>


    <p><b>Check Remainder Value?</b></p>
    <input type="text" name="" value="" id="numb1" />
    <input type="text" name="" value="" id="numb2" />
    <input type="submit" name="" value="Remainder" onclick="getData3()" />

    <script>
        function getData3(){
            var a = parseInt(document.getElementById('numb1').value);
            var b = parseInt(document.getElementById('numb2').value);
            var r = a % b;
            alert('Remainder Result :' + r);
        }
    </script>


    <p><b>Number is Prime or not?</b></p>
    <input type="text" name="" value="" id="numb3" />
    <input type="submit" name="" value="Is Prime" onclick="isPrime()" />
    <script>
        function isPrime(){
            var pV = document.getElementById('numb3').value;
            var pV1 = '0';
            for(i = 2; i < pV; i++){
                if(pV % i == 0){
                    pV1++;
                }
            }
            if(pV1 == 0){
                alert('Prime Number');
            }else{
                alert('Not Prime Number');
            }
        }
    </script>

    <p><b>Arrange the number Ascending/ Descending?</b></p>
    <input type="text" name="" value="" id="n1" onblur="if(this.value == '' || isNaN(this.value)){this.value = 0} " />
    <input type="text" name="" value="" id="n2" />
    <input type="text" name="" value="" id="n3" />
    <input type="text" name="" value="" id="n4" />
    <input type="text" name="" value="" id="n5" />
    <select onchange="drADC(value)">
        <option value="">Select</option>
        <option value="Ascending">Ascending</option>
        <option value="Descending">Descending</option>
    </select>
    <!-- <select id="drAD">
        <option>Ascending</option>
        <option>Descending</option>
    </select>
    <input type="button" name="" value="SORT / REVERSE" onclick="SR()" />
    <input type="button" name="" value="Ascending" onclick="asc()" />
    <input type="button" name="" value="Descending" onclick="desc()" />-->
    <p id="nvRe"></p>
    <script>
        function drADC(value){
            var dataArr = [];
            for(i = 1; i < 6; i++){
                var dataV = document.getElementById('n' + i).value;
                dataV = (dataV == '' || isNaN(dataV)) ? 0 : dataV;
                //document.getElementById('n' + i).value = dataV;
                dataArr.push(dataV);
            }
            var adV = value;
            var nvRslt;
            switch(adV){
                case 'Ascending' : nvRslt = dataArr.sort(function(a, b){return a - b});
                document.getElementById('nvRe').innerHTML = nvRslt;
                break;

                case 'Descending' : nvRslt = dataArr.sort(function(a,b) {return b - a});
                document.getElementById('nvRe').innerHTML = nvRslt;
                break;
            }
        }

        /*function drADC(value){
            var nV1 = parseInt(document.getElementById('n1').value);
            var nV2 = parseInt(document.getElementById('n2').value);
            var nV3 = parseInt(document.getElementById('n3').value);
            var nV4 = parseInt(document.getElementById('n4').value);
            var nV5 = parseInt(document.getElementById('n5').value);
            var nVarr = [nV1, nV2, nV3, nV4, nV5];
            var adV = value;
            var nVRslt;

            switch(adV){
                case 'Ascending' : nVRslt = nVarr.sort(function(a,b){return a - b});
                document.getElementById('nvRe').innerHTML = nVRslt;
                break;

                case 'Descending' : nVRslt = nVarr.sort(function(a,b){return b - a});
                document.getElementById('nvRe').innerHTML = nVRslt;
                break;
            }
        }*/
        /*function SR(){
            var nV1 = parseInt(document.getElementById('n1').value);
            var nV2 = parseInt(document.getElementById('n2').value);
            var nV3 = parseInt(document.getElementById('n3').value);
            var nV4 = parseInt(document.getElementById('n4').value);
            var nV5 = parseInt(document.getElementById('n5').value);
            var nVarr = [nV1, nV2, nV3, nV4, nV5];
            var adV = document.getElementById('drAD').value;
            var nVRslt;

            switch(adV){
                case 'Ascending' : nVRslt = nVarr.sort(function(a,b){return a - b});
                document.getElementById('nvRe').innerHTML = nVRslt;
                break;

                case 'Descending' : nVRslt = nVarr.sort(function(a,b){return b - a});
                document.getElementById('nvRe').innerHTML = nVRslt;
                break;
            }
        }*/
        /*function asc(){
            var nV1 = parseInt(document.getElementById('n1').value);
            var nV2 = parseInt(document.getElementById('n2').value);
            var nV3 = parseInt(document.getElementById('n3').value);
            var nV4 = parseInt(document.getElementById('n4').value);
            var nV5 = parseInt(document.getElementById('n5').value);
            var nVarr = [nV1, nV2, nV3, nV4, nV5];
            var nVRslt;
            nVRslt = nVarr.sort(function(a,b){return a - b});
            document.getElementById('nvRe').innerHTML = nVRslt;
        }
        function desc(){
            var nV1 = parseInt(document.getElementById('n1').value);
            var nV2 = parseInt(document.getElementById('n2').value);
            var nV3 = parseInt(document.getElementById('n3').value);
            var nV4 = parseInt(document.getElementById('n4').value);
            var nV5 = parseInt(document.getElementById('n5').value);
            var nVarr = [nV1, nV2, nV3, nV4, nV5];
            var nVRslt;
            nVRslt = nVarr.sort(function(a,b){return b - a});
            document.getElementById('nvRe').innerHTML = nVRslt;
        }*/
    </script>

    <p><b>Check the number Alphabetic or Numeric?</b></p>
    <input type="text" name="" value="" id="NA" />
    <input type="button" name="" value="Number / Alphabets" onclick="numAlpha()" />
    <script>
        function numAlpha(){
            //var fV = document.getElementById('NA').value;
            if(isNaN(document.getElementById('NA').value)){
                alert('The Value is Alphabetic');
            }else{
                alert('The Value is Numeric');
            }
        }
    </script>

    <br/><br/>
    <input type="text" name="" value="" id="exA" />
    <input type="button" name="" value="@ exists" onclick="existA()" />

    <p><b>@ exist in the text Filed?</b></p>
    <script>
        function existA(){
            var ltrS = document.getElementById('exA').value;
            var ltrRs = ltrS.indexOf('@');
            if(ltrRs == -1){
                alert('@ not exist in the text Filed');
            }else{
                alert('@ exist in the text Filed');
            }
        }
    </script>

    <br/><br/>
    <p><b>write previous text of @</b></p>
    <input type="email" name="" value="" id="eml" />
    <input type="button" name="" value="before @ Split" onclick="emlSplt()" />
    <p id="sEmL"></p>
    <script>
        function emlSplt(){
            var emDt = document.getElementById('eml').value;
            var emLs = emDt.indexOf('@');
            if(emLs == -1){
                document.getElementById('sEmL').innerHTML = '@ not exist in text field';
            }else{
                var emS = emDt.substr(0, emLs);
                document.getElementById('sEmL').innerHTML = emS;
            }
        }
    </script>


</body>
</html>