?? utils.js
字號:
?
var Utils = new Object();
document.getElementsByClassName = function(className) {
var children = document.getElementsByTagName('*') || document.all;
var elements = new Array();
for (var i = 0; i < children.length; i++) {
var child = children[i];
var classNames = child.className.split(' ');
for (var j = 0; j < classNames.length; j++) {
if (classNames[j] == className) {
elements.push(child);
break;
}
}
}
return elements;
}
function getNodeID(parent, id) {
var ln = parent.childNodes.length;
for (var z=0; z<ln; z++) {
if (parent.childNodes[z].id == id) return parent.childNodes[z];
}
return null;
}
var Browser = new Object();
Browser.isMozilla = (typeof document.implementation != 'undefined') && (typeof document.implementation.createDocument != 'undefined') && (typeof HTMLDocument!='undefined');
Browser.isIE = window.ActiveXObject ? true : false;
Browser.isOpera = (navigator.userAgent.toLowerCase().indexOf("opera")!=-1);
if (Browser.isMozilla) {
HTMLElement.prototype.removeNode = function() {
this.parentNode.removeChild(this);
}
}
Utils.htmlEncode = function(text) {
return text.replace(/&/g, '&').replace(/"/g, '"').replace(/</g, '<').replace(/>/g, '>');
}
/*
<!--[if IE]>
<a href onClick="this.style.behavior='url(#default#homepage)';this.setHomePage('http://www.netvibes.com');">Make Netvibes your homepage</a>
<![endif]-->
*/
function isEmailValid(e) {
var ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";
for(var i=0; i<e.length; i++){
if (ok.indexOf(e.charAt(i))<0) {
return false;
}
}
if (document.images) {
var re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
var re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,8}|[0-9]{1,3})(\]?)$/;
if (!e.match(re) && e.match(re_two)) {
return -1;
}
}
}
var notspace = /\S/;
Utils.cleanWhitespace = function(node){
for (var x=0; x<node.childNodes.length; x++) {
var child = node.childNodes[x];
//if it's a whitespace text node
if ((child.nodeType == 3) && (!notspace.test(child.nodeValue))) {
node.removeChild(node.childNodes[x]);
//node.childNodes[x].removeNode();
x--;
}
//elements can have text child nodes of their own
if(child.nodeType == 1) {
Utils.cleanWhitespace(child);
}
}
}
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