JavaScript extension function code to make firefox support some methods of IE_javascript skills

This paragraph enables FireFox to also support IE's innerText method

Copy the code The code is as follows:

function isIE(){
if (window.navigator.userAgent.toLowerCase().indexOf("msie")>=1)
return true;
else
return false ;
}
if(!isIE()){ //firefox innerText define
HTMLElement.prototype.__defineGetter__( "innerText",
function(){
var anyString = "";
var childS = this.childNodes;
for(var i=0; i if(childS[i].nodeType==1)
anyString = childS[i].tagName=="BR" ? 'n' : childS[i].innerText;
else if(childS[i].nodeType==3)
anyString = childS[i].nodeValue ;
}
return anyString;
}
);
HTMLElement.prototype.__defineSetter__( "innerText",
function(sText){
this.textContent=sText;
}
);
}

This paragraph makes FireFox’s HTMLElement have click method (add click method to HTMLElement in Mozilla)

Copy code The code is as follows:

try {
// create span element so that HTMLElement is accessible
document.createElement('span');
HTMLElement.prototype.click = function () {
if (typeof this.onclick == 'function')
this.onclick({type: ' click'});
};
}
catch (e) {
// alert('click method for HTMLElement couldn't be added');
}

Add onclick event to HTMLAnchorElement

Copy the code The code is as follows:

try {
// create a element so that HTMLAnchorElement is accessible
document.createElement('a');
HTMLElement.prototype.click = function () {
if (typeof this.onclick == 'function') {
if (this.onclick({type: 'click'}) && this.href)
window.open(this.href, this.target? this.target : '_self');
}
else if (this.href)
window.open(this.href, this.target? this.target : '_self');
};
}
catch (e) {
// alert('click method for HTMLAnchorElement couldn't be added');
}

Track the Enter key event

Copy code The code is as follows:

function captureKeys (evt ) {
var keyCode = evt.keyCode ? evt.keyCode :
evt.charCode ? evt.charCode : evt.which;
if (keyCode == 13) {
// cancel key:
if (evt.preventDefault) {
evt.preventDefault();
}
var dq = getCookie('default-engine');
if( dq == null) dq = "baidu_txt";
submit_query( dq );
return false;
}
return true;
}