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Eacarsaichean JavaScript le fuasgladh airson cùrsa trèanaidh JavaScript bunaiteach

Liosta de eacarsaichean sgriobt java le fuasgladh airson cùrsa trèanaidh Java Basic.

Tha àireamhachadh na h-eacarsaich na chomharra air an ìre de dhuilgheadas, bhon fheadhainn as sìmplidh chun an fheadhainn as iom-fhillte. Ma tha beachdan, ceistean no molaidhean agad: sgrìobh thugainn aig info@bloginnovazione.it

Eacarsaich 1: Sgrìobh duilleag html anns a bheil paragraf leis an t-seantans:

Thèid rud sam bith a thèid ceàrr a dhèanamh ceàrr

le javascript a’ brosnachadh cuid de thachartasan:

- onclick: suidhich trom airson an teacsa agus buidhe airson a’ chùl
- onmouseover : suidhichte fo loidhne airson an teacsa agus orains airson a’ chùl
- onmouseout: suidhich cruth-clò 16px airson an teacsa agus gorm aotrom airson a’ chùl

<!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" >

Eacarsaich 2: A’ sgrìobhadh duilleag html le ceithir eileamaidean air an rèiteachadh air trì loidhnichean ann am meadhan na duilleige (gu còmhnard)

- anns a’ chiad sreath dà theacsa cuir a-steach taobh ri taobh agus eadar-dhealaichte bho chèile
- anns an dàrna loidhne putan leis a’ ghnìomhaiche ‘+’, nuair a phutas tu air a’ phutan (tachartas cliog air) feumaidh tu an dà raon cuir a-steach den chiad loidhne a leughadh, cuir ris agus sgrìobh an toradh ann am paragraf an treas loidhne
- anns an treas loidhne paragraf

sgrìobh an còd js ann am faidhle taobh a-muigh gus a thoirt a-steach don html tro src gus a chuir a-steach san roinn

<!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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