How to lock fields Using javascript Dynamic CRM 365

How to lock field using javascript Dynamic CRM 365 | How to read-only fields using custom Javascript

function onRecordSelect(exeContext) {

var _formContext = exeContext.getFormContext();

//add fields schema name you want to disable fields

var disableFields = ["vwi_name","vwi_paymentcode","vwi_claimid","vwi_totalpaymentamount"];

lockFields(exeContext, disableFields);

}

//Function

function lockFields(exeContext, disableFields) {

var _formContext = exeContext.getFormContext();

var currentEntity = _formContext.data.entity;

currentEntity.attributes.forEach(function (attribute, i) {

if (disableFields.indexOf(attribute.getName()) > -1) {

var attributeToDisable = attribute.controls.get(0);

attributeToDisable.setDisabled(true);

}

});

}