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Ihe omume Javascript nwere ngwọta maka nkuzi nkuzi JavaScript bụ isi

Ndepụta mmemme script java nwere ngwọta maka nkuzi nkuzi Java Basic.

Ọnụọgụ nke mmega ahụ na-egosi ọkwa nke ihe isi ike, site na nke kachasị mfe ruo na mgbagwoju anya. Ọ bụrụ na ị nwere nkọwa, ajụjụ ma ọ bụ ntụnye ọ bụla: degara anyị akwụkwọ ozi na ozi @bloginnovazione.it

Ihe omume 1: Dee ibe html nwere paragraf nwere ahịrịokwu:

Ihe ọ bụla nwere ike ịgahie ụzọ ga-aga nke ọma

na javascript na-ebute ụfọdụ mmemme:

– Pịa: tọọ nkwuwa okwu maka ederede yana edo edo maka okirikiri
– onmouseover: edobere n'okpuru maka ederede yana oroma maka ndabere
- onmouseout: tọọ font 16px maka ederede yana acha anụnụ anụnụ maka ndabere

<!DOCTYPE html>
<html lang="en">


<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
  function onMouseClick() {
     document.getElementById("parag").style.fontWeight = "bold";
     document.getElementById("parag").style.backgroundColor = "yellow";
   }
   function onMouseOverEvent() {
     document.getElementById("parag").style.textDecoration = "underline";
     document.getElementById("parag").style.backgroundColor = "orange";
   }
   function onMouseOutEvent() {
     document.getElementById("parag").style.fontSize = "16px";
     document.getElementById("parag").style.backgroundColor = "lightblue";
   }
    </script>
</head>

<body>
    <p id="parag" >

Ihe omume 2: Ide ibe html nwere ihe anọ haziri n'ahịrị atọ dị n'etiti ibe ahụ (n'ahịrị)

– n'ahịrị mbụ abụọ ntinye ederede n'akụkụ na oghere iche
- n'ahịrị nke abụọ, bọtịnụ nwere onye ọrụ '+', mgbe ị pịrị bọtịnụ (pịa ihe omume) ị ga-agụrịrị mpaghara ntinye abụọ nke ahịrị nke mbụ, tinye ha wee dee nsonaazụ na paragraf nke ahịrị nke atọ.
- n'ahịrị nke atọ paragraf

dee js code na faịlụ mpụga iji bubata n'ime HTML site na src iji tinye na ngalaba

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
<style>
input {
    margin: 20px;
    margin-bottom: 30px;
}
.box-1 {
    display: flex; 
    justify-content: center; 
    align-items: center;
}
.box {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 50px;
}
button {
    padding: 5px;
    width: 75px;
}
.container{
    margin: 250px;
}
</style>
<script>
function onClick() {
    let num1 = document.getElementById("num1").value;
    let num2 = document.getElementById("num2").value;
    let result;
    if (!isNaN(num1) && !isNaN(num2)) {
        result = parseFloat(num1) + parseFloat(num2);
    } else {
        result = num1 + num2;
    }
    document.getElementById("result").innerHTML = result;
}
</script>
</head>
<body>
<div class="container">
    <div class="box-1">
        <input id="num1" type="text" placeholder="Insert num or text . . .">  
        <input id="num2" type="text" placeholder="Insert num or text . . .">
    </div>
    <div class="box">
        <button  >

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