XML DOM substringData() method

Text 对象

Definition and Usage

substringData() Method ta gani data daga node tekunin.

Grammar

substringData(start,length)
Parameter Description
start Wajib. Dabara ta nuna daga alama ta baya baya. Amfana daga zero.
length Wajib. Dabara ta nuna karin lafiyan.

实例

Kodin da a ciki "books.xml" ni xmlDoc da, kuma a gani furo "<title>" na node tekunin:

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;
}

亲自试一试

Text 对象