https://stackoverflow.com/questions/469357/html-text-input-allow-only-numeric-input (added in 20200813) 代码语言:javascript 复制 // 输入大小写字母、数字、下划线:<input type="text"οnkeyup="this.value=this.value.replace(/[^\w_]/g,'');">// 输入小写字母、数字、下划线:<input type="text"...
"this.value = this.value.replace(/[^0-9.-]/g, '').replace(/(\..*)\./g, '$1')....
Despite the fact that inputs of typetelare functionally identical to standardtextinputs, they do serve useful purposes; the most quickly apparent of these is that mobile browsers — especially on mobile phones — may opt to present a custom keypad optimized for entering phone numbers. Using a s...
<label for="phone">Phone Number:</label> <input type="tel" id="phone" pattern="[0-9]{3}-[0-9]{2}-[0-9]{3}"> Browser Output The pattern in the above example allows numbers in the format XXX-XX-XXX where X is a number between 0 and 9. 19. Input Type time The input typ...
The default stepping value fornumberinputs is1, allowing only integers to be entered—unlessthe stepping base is not an integer. Using number inputs <input type="number">elements can help simplify your work when building the user interface and logic for entering numbers into a form. When you...
Using tel inputs Telephone numbers are a very commonly collected type of data on the web. When creating any kind of registration or e-commerce site, for example, you will likely need to ask the user for a telephone number, whether for business purposes or for emergency contact purposes. Giv...
src URL Specifies the URL of the image to use as a submit button (only for type="image") step numberany Specifies the interval between legal numbers in an input field type button checkbox color date datetime-local email file hidden image month number password radio range reset search...
readonly:布尔值。表示控件是否可以编辑。【只读的表单元素将会一起提交】 required:布尔值。表示此值为必填项或提交前必须检查该值。 案例: <!DOCTYPE html><html><head><title>input中type为text</title></head><body><form><div><labelfor="uname1">username1:</label><inputtype="text"id="uname1">...
<input type="number">elements do not support use of thepatternattribute for making entered values conform to a specific regex pattern. The rationale for this is that number inputs won't be valid if they contain anything except numbers, and you can constrain the minimum and maximum number of...
Now it's possible to input any symbol into the OTP field. It'd be helpful to have a prop which makes sure that it's possible to input (type or paste from the clipboard) only the symbols which passes the certain regex (e.g. numbers only). ...