获取元素的文本内容getText
api的应用场景是:获取指定的element的文本内容
/*
获取dom元素
@param {String|HTMLElement} id或者DOM元素
@info 对于ZYC.dom.g这个api在判断上更简单
只是判断了参数是否为字符串,如果不是直接返回
*/
ZYC.dom._g = function(id){
if(ZYC.lang.isString(id)){
return document.getElementById(id);
}
return id;
} /*getText-get the textcontent from the element*
*@function*
*@param {string||HTMLElement} element*
*@return {String} result
*@relay on ZYC.dom.g*
*/
ZYC.dom.getText = function(element){
var result = '';
element = ZYC.dom._g(element);
if(element.nodeType == 3 || element.nodeType == 4){
//text|CDATA
result += element.nodeValue;
}else if(element.nodeType !== 8){
var childs = element.childNodes;
for(var i=0;i<childs.length;i++){
result += ZYC.dom.getText(childs[i]);
}
}
return result;
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