[英]How to add a `HTML label` before a `ValidationTextBox` dynamically?
[英]dijit ValidationTextBox how to add minlength and maxlength
我想知道如何(通過簡單的工作示例)將maxlength
和minlength
添加到由生成的輸入標簽中
dijit/form/ValidationTextBox
所需輸出示例:
<input maxlength="10" minlength="2" class="dijitReset dijitInputInner" data-dojo-attach-point="textbox,focusNode" autocomplete="off" name="title" type="text" tabindex="0" id="Image-1-title-LabelValidationTextBox" aria-required="undefined" value="Title text for image Image-1" aria-invalid="false">
使用正則表達式約束嘗試此示例
<input type="text" value="someTestString" required="true"
data-dojo-type="dijit/form/ValidationTextBox"
data-dojo-props="regExp: '[a-zA-Z0-9$%!_]{2,10}', invalidMessage: 'The value must be at least 2 character and maximum 10'" />
ValidationTextBox具有minLength和maxLength屬性。 在下文中以聲明方式使用它們。
<input data-dojo-type="dijit/form/ValidationTextBox"
data-dojo-props="required:true,
maxLength:5,
minLength:2"
type="text"
name="exmaple" />
這是另一個解決方案:
registry.byId("validationTextBox").validator = function(value, constraints) {
if(value) {
return value.length >= 2 && value.length <= 10;
}
return true;
}
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