Webb22 apr. 2011 · If you purpose it to a html input, you can easily do this without the use of JavaScript! or any other JS libraries. ... Solutions using text-transform seem to have the problem that the text submitted to the server is still potentially lowercase. This solution avoids those problems: Webb1 dec. 2013 · 定义和用法 toLowerCase() 方法用于把字符串转换为小写。语法 stringObject.toLowerCase() 返回值 一个新的字符串,在其中 stringObject 的所有大写字符全部被转换为了小写字符。实例 在本例中,"Hello world!" 将以小写字母来显示: var str="Hello World!" document.write(st
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Webb7 aug. 2024 · A sophisticated Internet user can access your HTML code from the inspector and change the attributes, which allows that user to submit lowercase letters. If you’re using JavaScript for your server, you can easily transform the text to uppercase using the toUpperCase () method. Webbvar lowerCaseLetters = / [a-z]/g; if(myInput.value.match(lowerCaseLetters)) { letter.classList.remove("invalid"); letter.classList.add("valid"); } else { letter.classList.remove("valid"); letter.classList.add("invalid"); } // Validate capital letters var upperCaseLetters = / [A-Z]/g; if(myInput.value.match(upperCaseLetters)) { strand life sciences ceo
How do I force lowercase on an input field? - Stack Overflow
Webb16 aug. 2010 · This is an HTML5 attribute so can't be handled in a CSS file. It needs to be part of the textarea markup itself. :-) – hollsk Aug 16, 2010 at 20:07 If you're using a element and want to disable native autocorrect, the correct attribute to set is spellCheck="false" – John Paul Barbagallo Mar 4, 2024 at 22:02 Add a comment 44 Webb28 sep. 2024 · This property can have three possible values; uppercase, lowercase, or capitalized. Depending upon the requirement, we can set the value to transform the … Choose a username: strand lighting