任何人都可以解释为什么这段代码在IE中不起作用？在Chrome中一切正常.
我的部分HTML:
<head>
<script type='text/javascript' src="//code.jquery.com/jquery-1.9.1.js"></script>
<script type='text/javascript' src="http://vivin.net/pub/pdfjs/pdf.js"></script>
<script type='text/javascript' src="http://vivin.net/pub/pdfjs/textlayerbuilder.js"</script>
</head>
<body>
<div id="pdfContainer" class = "pdf-content"></div>
</body>
适用于Chrome的完整代码和示例:http://jsfiddle.net/vivin/RjqUf/
如何检查UIKeyboardTypeDecimalPad是否有点/逗号？我需要这个来检查输入了多少点/逗号,所以我可以将它们限制为1.我知道当我知道UIKeyboardTypeDecimalPad有逗号时如何做到这一点.
-(BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
NSCharacterSet *cs;
NSString *filtered;
NSString *newString = [textField.text stringByReplacingCharactersInRange:range withString:string];
if ([textField.text rangeOfString:@","].location == NSNotFound) {
cs = [[NSCharacterSet characterSetWithCharactersInString:NUMBERSPERIOD] invertedSet];
filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""];
return [string isEqualToString:filtered];
}
else {
cs = [[NSCharacterSet characterSetWithCharactersInString:NUMBERS] invertedSet];
filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""];
NSUInteger count = 0, length = [newString length];
NSRange range = NSMakeRange(0, length);
while(range.location != NSNotFound)
{
range = [newString rangeOfString: @"," options:0 range:range];
if(range.location != NSNotFound)
{
range = NSMakeRange(range.location …