จาวาสคริปต์ queryselector ป้ายกำกับ
รหัสตัวอย่าง
N
<div id="foo\bar"></div>
<div id="foo:bar"></div>
<script>
console.log('#foo\bar'); // "#fooar" (\b is the backspace control character)
document.querySelector('#foo\bar'); // Does not match anything
console.log('#foo\\bar'); // "#foo\bar"
console.log('#foo\\\\bar'); // "#foo\\bar"
document.querySelector('#foo\\\\bar'); // Match the first div
document.querySelector('#foo:bar'); // Does not match anything
document.querySelector('#foo\\:bar'); // Match the second div
</script>N
// TO select all the h1 from Html
document.querySelectorAll("h1")
//To select h1 from a particular class or id
document.querySelector(".className/#id h1")หน้าคล้ายกัน
คล้ายกันหน้ากับตัวอย่าง
ในภาษาอื่นๆ
หน้านี้อยู่ในภาษาอื่นๆ
empty row
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ดังอยู่ในนี้หมวดหมู่
ดังหน้ากับตัวอย่างอยู่ในหมวดหมู่
empty row