Validation

</> Source
<!DOCTYPE html>
<html>
<head>
	<title>Validation</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
	<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
	<link rel="stylesheet" type="text/css" href="../../../codebase/fonts/font_roboto/roboto.css"/>
	<link rel="stylesheet" type="text/css" href="../../../codebase/dhtmlx.css"/>
	<script src="../../../codebase/dhtmlx.js"></script>
	<script>
		var myForm, formData;
		var vRules = {
			NotEmpty: {rule: "NotEmpty", note: "NotEmpty validation is set"},
			ValidInteger: {rule: "ValidInteger", note: "ValidInteger validation is set"},
			CustomFunc: {rule: function(v){return (v=="yes"||v=="no");}, note: "custom func, type 'yes' or 'no'"}
		};
		function doOnLoad() {
			formData = [
				{type: "settings", position: "label-left", labelWidth: 110, inputWidth: 155},
				{type: "input", name: "inp", label: "Enter text here", value: "abc", note: {text: "validation not set"}},
				{type: "button", value: "Validate", name: "validate"}
			];
			myForm = new dhtmlXForm("myForm", formData);
			myForm.attachEvent("onButtonClick", function(id){
				if (id == "validate") myForm.validate();
			});
		}
		function byId(id) {
			return document.getElementById(id);
		}
		function setValidation(id, rule) {
			myForm.setValidation(id, vRules[rule].rule);
			myForm.setNote(id, {text:vRules[rule].note});
		}
		function clearValidation(id) {
			myForm.clearValidation(id);
			myForm.setNote(id, {text:"validation not set"});
			myForm.resetValidateCss();
		}

	</script>
</head>
<body onload="doOnLoad();">
	<div>
		<input type="button" onclick="setValidation('inp', 'NotEmpty');" value="NotEmpty">
		<input type="button" onclick="setValidation('inp', 'ValidInteger');" value="ValidInteger">
		<input type="button" onclick="setValidation('inp', 'CustomFunc');" value="Custom Func">
		<input type="button" onclick="clearValidation('inp');" value="Clear">
	</div>
	<div id="myForm" style="height:500px;margin-top: 50px;"></div>
</body>
</html>
Documentation

Check documentation to learn how to use the components and easily implement them in your applications.