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"...
Input Type: telThe <input type="tel"> is used for input fields that should contain a telephone number.The tel type is currently supported only in Safari 8.Example <form> Telephone: <input type="tel" name="usrtel"> </form> Try it Yourself » ...
<input type="text" style="background:'#efefef'; text-align:right" readonly value="this" /> ...
. Set it tonullto not enforce any particular type. By default, it's set to["MOBILE"]soisValidNumberwill only returntruefor mobile numbers. Alternatively, you could set it to, for example,["TOLL_FREE", "PREMIUM_RATE"]to getisValidNumberto returntruefor only those kinds of numbers....
type="number" Legend Tip: you can click/tap on a cell for more information. Full support Full support See implementation notes. See also HTML forms guide <input> <input type="tel"> Article: Why Gov.UK changed the input type for numbers...
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">...
"this.value = this.value.replace(/[^0-9.-]/g, '').replace(/(\..*)\./g, '$1')....
For example, in case of a phone number input, theparseCharacter()function should only leave the digits and ignore any "punctuation", so it could look likereturn isDigit(char) ? char : "". templateFormatter(template)creates aformat()function for a giventemplatestring. ...
Input type: monthExample Define a month and year control (no time zone): Birthday (month and year): <input type="month" name="bdaymonth"> Try it yourself » Input type: numberExample Define a field for entering a number (You can also set restrictions on what numbers are accepted): ...