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Home > Web Front-end > JS Tutorial > js method to remove all spaces in the input box and prohibit input of spaces_javascript skills

js method to remove all spaces in the input box and prohibit input of spaces_javascript skills

WBOY
Release： 2016-05-16 16:45:16
Original
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Copy code The code is as follows:

< ;/span>

Copy code The code is as follows:

/* *
* Whether to remove all spaces
* @param str
* @param is_global If it is g or G, remove all spaces
* @returns
*/
function Trim(str,is_global)
{
var result;
result = str.replace(/(^s )|(s $)/g,"" );
if(is_global.toLowerCase()=="g")
{
result = result.replace(/s/g,"");
}
return result;
}

Copy code The code is as follows:

/* *
* Space input removal
* @param e
* @returns {Boolean}
*/
function inputSapceTrim(e,this_temp)
{
this_temp.value = Trim(this_temp.value,"g");
var keynum;
if(window .event) // IE
{
keynum = e.keyCode
}
else if(e.which) // Netscape/Firefox/Opera
{
keynum = e. which
}
if(keynum == 32){
return false;
}
return true;
}

Copy code The code is as follows:

/**
* Disable space input
* @param e
* @returns {Boolean}
*/
function banInputSapce(e)
{
var keynum;
if(window.event) // IE
{
keynum = e.keyCode
}
else if(e.which) // Netscape/Firefox/ Opera
{
keynum = e.which
}
if(keynum == 32){
return false;
}
return true;
}
Related labels：
Input box
source：php.cn
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