XML DOM textContent atiku

Element 对象

Kwarewa da Amfani

textContent Atiku yana koma da tayar da tekst na kiwon na yankin da a zaɗa.

Kai koma tekst, wannan atiku yana koma kudiya na tekun kiwon element node.

Kai tayar da tekst, wannan atiku yana yin wakilin niwai kudiya a duk yankin tekun kiwon kuma yana mayar da su da niwai kudiya na tekun yammacin.

Rarraba:Tasirin wannan atiku a cikin Internet Explorer 9 yana kama zuriyar fuskanci (zai yiwa undefined).

Koyar da:Don tayar da kuma koma kudiya na tekun kiwon nodeValue ta amfani da text node.

Majamiyar rayuwa

Dace tekst:

elementNode.textContent

Tayar da tekst:

elementNode.textContent=string

shaidar

masu kashi 1

tasiyarin da akan zai "books.xml" a gudanar zuwa xmlDoc, kuma a gudanar kudiya na tekun farko na <title>:

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];
    document.getElementById("demo").innerHTML =
    "Tasiri: " + x.textContent;
}

亲自试一试

masu kashi 2

tasiyarin da akan zai "books.xml" a gudanar zuwa xmlDoc, kuma a gudanar kudiya na tekun farko na <book> kuma a mayar da kudiya na tekun farko wa niwai kudiya:

var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
    if (xhttp.readyState == 4 && xhttp.status == 200) {
        myFunction(xhttp);
    }
};
xhttp.open("GET", "books.xml", true);
xhttp.send();
function myFunction(xml) {
    var xmlDoc = xml.responseXML;
    var x = xmlDoc.getElementsByTagName("book")[0];
    document.getElementById("demo").innerHTML =
    "Before: " + x.textContent + "<br>";
    x.textContent = "hello";
    document.getElementById("demo").innerHTML +=;
    "After: " + x.textContent;
}

亲自试一试

Element 对象