Javascript--Boostrap/dom.html at master · c0dingfun/Javascript--Boostrap · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>My Page</title>
    <script type="text/javascript">
        function changeText(id){
            id.innerHTML="NEW Text"
        }

        // moved to external javascript file - dogage.js
        // function dyears(form){
        //     form.dogage.value=form.myage.value *7
        // }

    </script>

    <script type="text/javascript" src="dogage.js">
    </script>
</head>

<body>

<h1 onclick="changeText(this)">Click Me</h1>

<b>Find out you age in dog years</b>

<form method="POST">
    <table>
        <tr>
            <td>Enter you age</td>
            <td>
                <input type="text" name="myage" size=15>
            </td>
        </tr>
        <tr>
            <td>
                <input type="button" value="Calculate" onclick="dyears(this.form)">
            </td>
        </tr>

        <tr>
            <td>Your age in Dog Years is:</td>
            <td><input type="text" name="dogage" size=15>
            </td>
        </tr>
    </table>
</form>

<p> The results will be displayed below this line</p>

<script type="text/javascript">
    document.write(5+6);
</script>

<script type="text/javascript">
    // window.alert(10+6);

    // comments
    /* also comments*/


</script>

<p id="math">
    <script type="text/javascript">
        document.getElementById("math").innerHTML = 10+33;
    </script>
</p>

<h1>Javascript Variables</h1>

<p id="demo">
    <script type="text/javascript">
        var x=10;
        var y=15;
        var z = x+y;

        document.getElementById("demo").innerHTML= z;

    </script>
</p>

<p id="demo2">
    <script>
        document.getElementById("demo2").innerHTML = Math.random();
    </script>
</p>
<p id="demo3">
    <script>
        document.getElementById("demo3").innerHTML =
            Math.min(600, 300, 40, 50, 63);
    </script>
</p>

<p id="demo4">
    <script>
        var fruits = ['apple', 'orange', 'pear', 'grape'];
        document.getElementById("demo4").innerHTML = fruits.toString();
    </script>
</p>

<p id="demo5">
    <script>
        var fruits = ['apple', 'orange', 'pear', 'grape'];
        document.getElementById("demo5").innerHTML = fruits.join(' * ');
    </script>

    <!-- array can do "shift" to remove the first element
    array can do "pop" to remove the last element -->

    <!-- use push('new element') to add to the end of the array
    use unshift('new element') to add to the front of the array -->

    <!-- in place sort();
    in place reverse();
    array.concat(another_array); -->

</p>

<p id="demo6">
    <script>
        var fruits = ['apple', 'orange', 'pear', 'grape'];
        fruits.splice(2, 0, "test1", "test2")
        document.getElementById("demo6").innerHTML = fruits.toString();
    </script>
</p>

<p id="demo7">
    <script>
        var person = {fname:'john', lname:'smith', age:30};
        var txt = '';
        var property;
        // can loop through objet properties
        for(property in person) {
            txt += person[property] + " ";  // object property can be access in dictionary way
        }
        document.getElementById("demo7").innerHTML = txt;
    </script>
</p>

<p id="demo8">
    <script>
        var i = 0;
        while (i< 10){
            document.write(i);
            document.write("<br/>");
            i++;
        }
    </script>
</p>

<p>
    <!-- <button value="test" onclick="getElementById('demo9').innerHTML=Date()">Time</button> -->
    <!-- <button value="test" onmouseout="getElementById('demo9').innerHTML=Date()">Time</button> -->
    <button onmouseover="getElementById('demo9').innerHTML=Date()">Time</button>
</p>

<p id="demo9"></p>

<p id="demo10">

    <script>
        // changing background color of the page each time reloaded
        var bgcolor = new Array('#029fd4', '#1eff00', '#eaeaff', '#ffea00', '#ab5252', '#ffffff', '#de28d8');
        document.body.style.background=bgcolor[Math.floor(Math.random() *bgcolor.length)];

    </script>
</p>

</body>
</html>