JavaScriptPractice/array2.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>Array.forEach? company = ['Sign Art', 'Indian Fashion', 'Google']</b></p>
<p id="demo"></p>
<script>
    var company = ['Sign Art', 'Indian Fashion', 'Google'];
    var com = '<ul>';
    company.forEach(comFunc);
    function comFunc(val, index, array){
        com += '<li>' + val + '</li>';
        //com += '<li>' + index + '</li>';
        //com = '<li>' + array + '</li>';
    }
    com += '</ul>'
    document.getElementById('demo').innerHTML = com;
</script>

<p><b>Array.map? Number = [45, 4, 9, 16, 25]</b></p>
<p id="demo1"></p>
<script>
    var company1 = [45, 4, 9, 16, 25];
    var com1 = '<ul>';
    //company1.forEach(comFunc1);
    company1.map(comFunc1);
    function comFunc1(val, index, array){
        com1 += '<li>' + val * val + '</li>';
    }
    com1 += '</ul>'
    document.getElementById('demo1').innerHTML = com1;
</script>

<p><b>Array.filter? company = [45, 4, 9, 16, 25, 100, 75, 54]</b></p>
<p id="demo2"></p>
<script>
    var numF = [45, 4, 9, 16, 25, 100, 75, 54];
    var nm = 0;
    var nmm = '';
    for(i=0; i < numF.length; i++){
        if(numF[i] < 50){
            nmm += numF[i] + ', ';
        }
    }
    document.getElementById('demo2').innerHTML = nmm;
    /*var numFF = numF.filter(numFunc);
    function numFunc(valu){
        return valu < 25
    }
    document.getElementById('demo2').innerHTML = numFF;*/
</script>

<p><b>Array.reduce() company = [45, 5, 9]</b></p>
<p id="demo3"></p>
<script>
    var numR = [45, 5, 5];
    var numRR = numR.reduce(numRFunc);

    function numRFunc(tot, valu){
        return tot + valu;
    }
    document.querySelector('#demo3').innerHTML = numRR;
</script>


<p><b>Array.every()? company = [45, 5, 9]</b></p>
<p id="demo4"></p>
<script>
    var numE = [45, 5, 9];
    //var numEE = numE.every(numEFunc);
    var numEE = numE.some(numEFunc);

    function numEFunc(valu){
        return valu > 9;
    }
    document.querySelector('#demo4').innerHTML = numEE;

</script>

<p><b>Array.indexOf()? company = ['Sign Art', 'Indian Fashion', 'Google']</b></p>
<p id="demo5"></p>
<script>
    var companyI = ['Sign Art', 'Indian Fashion', 'Google'];
    var comI = companyI.indexOf('Google');
    document.getElementById('demo5').innerHTML = comI;
</script>

<p><b>Array.find()? company = ['Sign Art', 'Indian Fashion', 'Google']</b></p>
<p id="demo6"></p>
<script>
    var companyF = ['Sign Art', 'Indian Fashion', 'Google'];
    var comFF = 'Indian Fashion';
    var comF = companyF.find(comfFund);

    function comfFund(value){
        return value == comFF;
    }
    document.getElementById('demo6').innerHTML = comF;
</script>


<p><b>Array.findIndex()? company = [45, 4, 9, 16, 25, 100, 75, 54]</b></p>
<p id="demo7"></p>
<script>
    var arrFi = [45, 4, 9, 16, 25, 100, 75, 54];
    var arF = arrFi.findIndex(arFunc);

    function arFunc(valu){
        return valu == 54;
    }
    document.getElementById('demo7').innerHTML = arF;
</script>


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</body>
</html>