标记。
我对HTML
<html>
<head>
<title>Titlehere</title>
<p> Hello></p>
</head>
<body>
<div id="tab1" onload="populatehtmlTab1()">
<p>i1</p>
</div>
<div id="tab2" onload="populatehtmlTab2()">
<p>i2</p>
</div>
<script type="text/javascript">
function populatehtmlTab1() {
document.getElementById(tab1).innerHTML = document.getElementById(tab1).innerHTML + "<p>h1</p>";
}
function populatehtmlTab2() {
document.getElementById(tab2).innerHTML = document.getElementById(tab1).innerHTML + "<p>h2</p>";
}
</script>
</body>
</html>
这有一些问题。以下是修改后的代码:
function populatehtmlTab1() {
document.getElementById('tab1').innerHTML = "<p>h1</p>";
}
function populatehtmlTab2() {
document.getElementById('tab2').innerHTML = "<p>h2</p>";
}
function loadHtml(){
populatehtmlTab1();
populatehtmlTab2();
}
<html>
<head>
<title>Titlehere</title>
<p> Hello></p>
</head>
<body onload="loadHtml()">
<div id="tab1" >
<p>i1</p>
</div>
<div id="tab2">
<p>i2</p>
</div>
<script type="text/javascript">
</script>
</body>
</html>
首先,元素 id 选择器必须是一个字符串:
document.getElementById('tab1')
其次,您只需要直接分配内部 HTML:
document.getElementById('tab2').innerHTML = "<p>h2</p>";
第三,您应该在正文上使用onload
,我将两个函数都包装到我修改后的代码中的另一个函数中。
您可以使用:
<html>
<head>
<title>Titlehere</title>
<p> Hello></p>
</head>
<body>
<div id="tab1" onload="populatehtmlTab1()">
<p>i1</p>
</div>
<div id="tab2" onload="populatehtmlTab2()">
<p>i2</p>
</div>
<script type="text/javascript">
function populatehtmlTab1() {
document.getElementById(tab1).innerHTML = $('#tab1').val() + "<p>h1</p>";
}
function populatehtmlTab2() {
document.getElementById(tab2).innerHTML = $('#tab1').val() + "<p>h2</p>";
}
</script>
</body>
</html>
div
元素没有onload
因此不会调用您的函数。- 使用
insertAdjacentHTML
插入 - 将字符串传递给
getElementById
.
function populatehtmlTab1() {
document.getElementById("tab1").insertAdjacentHTML("beforeend", "<p>h1</p>");
}
function populatehtmlTab2() {
document.getElementById("tab2").insertAdjacentHTML("beforeend", "<p>h2</p>");
}
document.addEventListener("DOMContentLoaded", function() {
populatehtmlTab1();
populatehtmlTab2();
});
<div id="tab1" onload="populatehtmlTab1()">
<p>i1</p>
</div>
<div id="tab2" onload="populatehtmlTab2()">
<p>i2</p>
</div>
抱歉混淆了 jquery
<html>
<head>
<title>Titlehere</title>
<p> Hello></p>
</head>
<body>
<div id="tab1" onload="populatehtmlTab1()">
<p>i1</p>
</div>
<div id="tab2" onload="populatehtmlTab2()">
<p>i2</p>
</div>
<script type="text/javascript">
function populatehtmlTab1() {
document.getElementById(tab1).innerHTML = document.getElementById(tab1).value + "<p>h1</p>";
}
function populatehtmlTab2() {
document.getElementById(tab2).innerHTML = document.getElementById(tab1).value + "<p>h2</p>";
}
</script>
</body>
</html>
如果在"innerHTML"中未检测到元素"value",则可以生成变量:
var tab1Value = document.getElementById(tab1).value;