You got the order of execution wrong. First this expression is evaluated: String.fromCharCode(k). Lets assume that the result is the string "b". That is used in the expression: AllowableCharacters.indexOf("b"). Lets assume that the characer is found at the second character in the string, which has index 1, so the result...
javascript,arraybuffer,fromcharcode
return Array.prototype.join.call (view, function() {String.fromCharCode(this)}); But this is crap. Obviously, since Array::join does not take a callback to transform each element but only the separator by which the elements should be joined. Instead, to transform every element before joining them you would use Array::map: return Array.prototype.map.call(view, function(charcode) { return...
javascript,validation,ascii,fromcharcode
I use this function to remove special characters from input function removeSpecials(evt) { var input = document.getElementById("myinput"); var patt = /[^\u0000-\u007F ]+/; setTimeout(function() { var value = input.value; input.value = value.replace(patt,""); },100); } The point is: I create a pattern to detect all special characters var patt = /[^\u0000-\u007F ]+/;;...