substringData()
XML DOM substringData() metodi
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Misol
Quyidagi kod fragmenti "books.xml" faylini xmlDoc’ga yuklaydi va birinchi <title> elementining matn tugunidan fragment oladi:
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
myFunction(this);
}
};
xhttp.open("GET", "books.xml", true);
xhttp.send();
function myFunction(xml) {
var xmlDoc = xml.responseXML;
var x = xmlDoc.getElementsByTagName("title")[0].childNodes[0];
var y = x.substringData(9, 7);
document.getElementById("demo").innerHTML =
x.nodeValue + "<br>" + y;
}
Natija:
Everyday Italian
Italian
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Ta’rif va qo‘llanilishi
substringData() metodi matn tugunidan ma’lumot oladi.
Sintaksis
substringData(start,length)| Parametr | Tavsif |
|---|---|
| start | Majburiy. Belgilarni ajratib olish qayerdan boshlanishini belgilaydi. start qiymati noldan boshlanadi |
| length | Majburiy. Nechta belgi ajratib olinishini belgilaydi |
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